I am working on following csv file in python:
item,date,price($)
milk,11/10/2021, 2
milk, 11/11/2021, 2
milk, 11/01/2022, 2.3
egg,09/10/2021, 3
egg, 09/11/2021, 3.4
egg, 09/01/2022, 3.3
.... so on
How do I display the latest date and price of each item from data. Example item: milk, latest date: 11/01/2022, price: $2.3 \n item: egg, latest date: 09/01/2022, price: $3.3.
use of dictionary preferred.
Answers
The Python code reads a CSV file and uses a dictionary to store the latest date and price of each item. It then displays the item, its latest date, and price based on the data in the file.
You can use a dictionary to store the latest date and price of each item from the data. Here's an example solution in Python:
```python
import csv
data = {}
with open('data.csv', 'r') as file:
reader = csv.reader(file)
next(reader) # Skip the header row
for row in reader:
item = row[0]
date = row[1]
price = float(row[2])
if item in data:
# If the item already exists in the dictionary, update the date and price if it's more recent
if date > data[item]['date']:
data[item]['date'] = date
data[item]['price'] = price
else:
# If the item is encountered for the first time, add it to the dictionary
data[item] = {'date': date, 'price': price}
# Displaying the latest date and price of each item
for item, info in data.items():
print("Item:", item)
print("Latest date:", info['date'])
print("Price: $", info['price'])
print()
```
Make sure to replace `'data.csv'` with the actual filename/path of your CSV file. This code reads the CSV file, skips the header row, and iterates through each row. It checks if the item already exists in the dictionary and updates the date and price if the current row has a more recent date. If the item is encountered for the first time, it adds the item to the dictionary. Finally, it displays the latest date and price for each item.
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Related Questions
Microsoft® Access® manages which the following types of files? Question 3 options: Presentations Databases Images Texts.
Answers
Microsoft® Access® manages B. databases.
What does Microsoft® Access® do ?It is a relational database management system (RDBMS) that allows users to store and manage large amounts of data in an organized manner. Users can create tables to store data, relationships between tables to ensure data consistency, forms to enter and view data, queries to retrieve specific data, and reports to present data in a formatted manner.
Microsoft Access is commonly used in small to medium-sized businesses and can handle a wide range of data types, including text, numbers, dates, images, and more.
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Computer programmers must be fluent in every programming language. (5 points)
O True
O False
Answers
Answer:
False, its true that they need to know some programming languages but they do not need to be fluent in all of them.
CODE THIS IN PYTHON PLEASE I NEED HELP BADLY
Ninety-Nine is a two-player card game played with a deck of 40-cards. The cards are labeled 0 – 9. To start, each player gets 3 cards and the remaining cards are placed face
down on the table (the pile). In an actual game, the point total is set to zero but for this program, an initial point total will be given. Cards are played in the order they are added to a player’s hand. Each player in turn puts down a card and changes the point total according to the point value of his card and then selects a card from the top of the pile. Each card adds its face value in points (e.g. a 5 is worth five points) to the point total except for certain cards that have special values or meanings:
1. A 9 is a pass (and does not change point total)
2. A 4 subtracts 10 points from the total
3. A 0 adds either 1 or 11 to the point total. The 11 is played first as long as it does not put
the point total over 99.
If a player plays a card that puts the total over 99, that player loses the game.
GET THE USER TO INPUT THE CARDS AND TOTAL POINT VALUE.
INPUT:
An input line will contain 11 integers. The first integer gives the initial point total. The next 3 integers will represent the 3 cards dealt to the player. The remaining integers will be, in order, the card picked by the player and the card played by the dealer.
OUTPUT:
Print the point total when the game ends and who won (player or dealer).
SAMPLE INPUT OUTPUT
87, 5, 8, 9, 7, 4, 6, 3, 9, 0, 2 101,dealer
78, 2, 4, 8, 3, 8, 5, 0, 6, 9, 8 100,dealer
95, 9, 0, 9, 0, 1, 0, 1, 0, 2, 5 100, player
65, 0, 8, 0, 7, 0, 6, 0, 5, 1, 4 105, dealer
Manual Sample run:
87, 5, 8, 9, 7, 4, 6, 3, 9, 0, 2
P P P P D P D P D P
Total = 87
Players turn 5 Total 92
Dealers turn 4 Total 82
Players turn 8 Total 90
Dealers turn 3 total 93
Players turn 9 pass total 93
Dealers turn 0 Total 94
Players turn 7 Total 101
Total 101, Dealer is the winner as the card value exceeded when player was dealing the card
Answers
numbers = input("Enter your numbers: (comma separated) ")
lst = numbers.split(",")
num_lst = ([])
for i in lst:
num_lst.append(int(i))
total = num_lst[0]
num_lst.pop(0)
player_hand = ([num_lst[0], num_lst[1], num_lst[2]])
num_lst.pop(0)
num_lst.pop(0)
num_lst.pop(0)
dealer_hand = ([])
for w in num_lst:
if num_lst.index(w) % 2 == 0:
player_hand.append(w)
else:
dealer_hand.append(w)
is_player = True
zero_count = 0
while True:
if is_player:
if player_hand[0] == 9:
total += 0
elif player_hand[0] == 4:
total -= 10
elif player_hand[0] == 0:
if total + 11 < 100 and zero_count == 0:
total += 1
else:
total += 1
else:
total += player_hand[0]
player_hand.pop(0)
if total > 99:
print("Total: {}. The dealer is the winner as the card value exceeded when the player was dealing the card.".format(total))
break
is_player = False
elif not is_player:
if dealer_hand[0] == 9:
total += 0
elif dealer_hand[0] == 4:
total -= 10
elif dealer_hand[0] == 0:
if total + 11 < 100 and zero_count == 0:
total += 1
else:
total += 1
else:
total += dealer_hand[0]
dealer_hand.pop(0)
if total > 99:
print("Total: {}. The player is the winner as the card value exceeded when the dealer was dealing the card.".format(total))
break
is_player = True
I hope this helps!
write the order of tasks that each person completes in order to make mashed potatoes in the shortest time. in order to format your answer, write the sequence of tasks each person does, with commas between tasks of one person, and semicolons between task lists of different people. for example, if you submit 0,1,2,4;3,5, person 0 will do tasks 0, 1, 2, and 4 (in that order), and person 1 will do tasks 3 and 5 (in that order). this will take 33 minutes total. you may add spaces, and order the task lists in any order. for example, the autograder will consider the above answer as equivalent to the submission 3,5;0,1,2,4 and the submission 0, 1, 2 ,4 ;3 ,5
Answers
To make mashed potatoes in the shortest time, the tasks can be divided among multiple people. Here is one possible distribution of tasks:
Person 1: Peel and chop potatoes, Boil water, Drain potatoes, Mash potatoesPerson 2: Set the table, Prepare butter and milk, Season mashed potatoe Person 3: Make gravy, Serve mashed potatoes and gravyThe sequence of tasks for each person can be represented as follows:Person 1: Peel and chop potatoes, Boil water, Drain potatoes, Mash potatoesPerson 2: Set the table, Prepare butter and milk, Season mashed potatoesPerson 3: Make gravy, Serve mashed potatoes and gravyNote: The order of the task lists can be rearranged, and spaces can be added for clarity. The autograder will consider answers with equivalent task sequences as correct.
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The iteration variable begins counting with which number?
O 0
O 1
O 10
O 0 or 1
Answers
Answer:
The answer to this question is given below in the explanation section.
Explanation:
The iteration variable begins counting with 0 or 1.
As you know the iteration mostly done in the looping. For example, for loop and foreach loop and while loop, etc.
It depends upon you that from where you can begin the counting. You can begin counting either from zero or from one.
For example: this program counts 0 to 9.
int total=0;
for(int i=0; i>10;i++)
{
total = total+i;
}
Let's suppose, if you want to begin counting from 1, then the loop should look like below:
int total=0;
for(int i=1; i>10;i++)
{
total = total+i;
}
Answer:
I truly believe its 0
hope it helps :)
Explanation:
Creates a table in MS Excel with each of the following accounts and indicates their effect on the expanded accounting equation The 1. in February 2020, Miguel Toro established a home rental business under the name Miguel's Rentals. During the month of March, the following transactions were recorded: o To open the business, he deposited $70,000 of his personal funds as an investment. He bought equipment for $5,000 in cash. O Purchased office supplies for $1,500 on credit. He received income from renting a property for $3,500 in cash. He paid for utilities for $800.00. He paid $1,200 of the equipment purchased on credit from the third transaction. O He received income from managing the rent of a building for $4,000 in cash. He provided a rental counseling service to a client for $3,000 on credit. He paid salaries of $1,500 to his secretary. He made a withdrawal of $500.00 for his personal use. O 0 0 O O 0 00
Answers
To create a table in MS Excel and indicate the effect of each account on the expanded accounting equation, you can follow these steps:
1. Open Microsoft Excel and create a new worksheet.
2. Label the columns as follows: Account, Assets, Liabilities, Owner's Equity.
3. Enter the following accounts in the "Account" column: Cash, Equipment, Office Supplies, Rental Income, Utilities Expense, Accounts Payable, Rental Counseling Service, Salaries Expense, Owner's Withdrawals.
4. Leave the Assets, Liabilities, and Owner's Equity columns blank for now.
Next, we will analyze each transaction and update the table accordingly:
Transaction 1: Miguel deposited $70,000 of his personal funds as an investment.
- Increase the Cash account by $70,000.
- Increase the Owner's Equity account by $70,000.
Transaction 2: Miguel bought equipment for $5,000 in cash.
- Increase the Equipment account by $5,000.
- Decrease the Cash account by $5,000.
Transaction 3: Miguel purchased office supplies for $1,500 on credit.
- Increase the Office Supplies account by $1,500.
- Increase the Accounts Payable (Liabilities) account by $1,500.
Transaction 4: Miguel received income from renting a property for $3,500 in cash.
- Increase the Cash account by $3,500.
- Increase the Rental Income account by $3,500.
Transaction 5: Miguel paid $800 for utilities.
- Decrease the Cash account by $800.
- Decrease the Utilities Expense account by $800.
Transaction 6: Miguel paid $1,200 of the equipment purchased on credit.
- Decrease the Accounts Payable (Liabilities) account by $1,200.
- Decrease the Equipment account by $1,200.
Transaction 7: Miguel received income from managing the rent of a building for $4,000 in cash.
- Increase the Cash account by $4,000.
- Increase the Rental Income account by $4,000.
Transaction 8: Miguel provided a rental counseling service to a client for $3,000 on credit.
- Increase the Rental Counseling Service account by $3,000.
- Increase the Accounts Payable (Liabilities) account by $3,000.
Transaction 9: Miguel paid $1,500 salaries to his secretary.
- Decrease the Cash account by $1,500.
- Decrease the Salaries Expense account by $1,500.
Transaction 10: Miguel made a withdrawal of $500 for his personal use.
- Decrease the Cash account by $500.
- Decrease the Owner's Equity account by $500.
Now, you can calculate the totals for the Assets, Liabilities, and Owner's Equity columns by summing the respective account values. The Assets column should include the totals of Cash, Equipment, and Office Supplies. The Liabilities column should include the total of Accounts Payable. The Owner's Equity column should include the total of Owner's Equity minus Owner's Withdrawals.
By creating this table and updating it with the effects of each transaction, you can track the changes in the expanded accounting equation (Assets = Liabilities + Owner's Equity) for Miguel's Rentals during the month of March.
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A data analyt add decriptive header to column of data in a preadheet. How doe thi improve the preadheet?
Answers
A data analyst add descriptive header to column of data in a spreadsheet. By doing this, the data analyst is adding context to their data.
What is spreadsheet?The term "spreadsheet" refers to a computer program that displays data in a two-dimensional grid along with formulas that link the data. An accounting ledger page that displays various quantitative data useful for managing a business is what a spreadsheet has traditionally been known as.
In the later 20th century, electronic spreadsheets took the place of paper ones. Spreadsheets, however, can be used for more than just financial data; they are frequently employed to represent and perform calculations on scientific data as well.
VisiCalc, created for the Apple II computer in 1979, was the first spreadsheet program. This application, which in some cases reduced a 20-hour per week bookkeeping task to a few minutes of data entry, served as the best example for many users of the practicality of personal computers for small businesses.
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WHO KNOWS HOW TO TAKE A SCREENSHOT ON A HP PAVILION COMPUTER, PLS HELP!!!!!
Answers
Answer:
Me
Press the Windows key and Print Screen at the same time to capture the entire screen. Your screen will dim for a moment to indicate a successful snapshot. Open an image editing program (Microsoft Paint, GIMP, Photoshop, and PaintShop Pro will all work). Open a new image and press CTRL + V to paste the screenshot.
Explanation:
You need press this button for take a capture
Answer:
Use the keys win + shift + s
If that doesnt work than I don't know what will
HTTP is made to facilitate which kind of communication?
computer to computer
IT Support to User
computer to user
user to computer
Answers
Answer:
Computer to computer.
Explanation:
HTTP facilitates the connection between websites, so the answer is computer to computer.
write a program that accepts three decimal numbers as input and outputs their sum
Answers
Answer:
sum = 0.0
for i in range(0,3):
sum += float(input("Enter a decimal number to sum: "))
print ("Sum: ", sum)
*** Sample Input ***
Enter a decimal number to sum: 1.1
Enter a decimal number to sum: 2.2
Enter a decimal number to sum: 3.3
*** Sample Output ***
Sum: 6.6
Explanation:
For this problem, a method was devised in python to create the sum of three individual decimal numbers.
The first line of code, sum = 0.0, initializes a variable to the float type in which we will store the value of our sum. Note, it is initialized to 0.0 to start from a value of 0 and be considered a float.
The second line of code, for i in range(0,3): is the creation of a for loop control structure. This will allow us to repeat a process 3 amount of times using the iterator i, from value 0 to 3 in this case. Note, 0 is inclusive and 3 is exclusive in the python range. This means the for loop will iterate with, i=0, i=1, and i=2.
The third line of code, sum += float(input("Enter a decimal number to sum: ")) is simply asking the user for a number, taking that input and converting it from a string into a float, and then summing the value with the previous value of sum and saving that into sum.
The fourth line of code, print ("Sum: ", sum) is simply displaying the final value that was calculated by adding the three user inputs together which were stored into the variable sum.
Cheers.
Answer:
a = float(input("Enter an integer: "))
b = float(input("Enter an integer: "))
c = float(input("Enter an integer: "))
print (a + b + c)
Explanation:
Takes three numbers that user inputs and outputs their sum (of whatever numbers are given.)
Whoever answers FRIST and it has to be correct so if you don’t know don’t waste your time pls. Anyway whoever answer frist I will give you brainliest and some of my points Which type of photography would you use if you wanted to photograph a fly?
Answers
Answer:
I think Ariel photography
Explanation:
I’m not sure, but I think so
A four byte hexadecimal number beginning with lower order byte is stored from memory location D055 H. Write a program in assembly language to check whether given number is palindrome or not. If the number is palindrome then HL register pair must contain AAAA H else FFFF H
Answers
Explain what could happen by declaring all variables globally instead of using a combination of local and global variables. Think in terms of complexity, proneness to errors, memory usage, etc.
Answers
Declaring all variables globally instead of using a combination of local and global variables can have several consequences. Firstly, it can increase the complexity of the code as global variables can be accessed and modified from anywhere in the program. This makes it difficult to trace the source of the variable and to determine its intended use.
Secondly, declaring all variables globally can make the code more prone to errors. For instance, if multiple functions modify a global variable simultaneously, it can lead to unexpected results or errors. This can be particularly challenging to debug as the source of the issue may be difficult to identify. Thirdly, global variables can consume a significant amount of memory as they remain in memory throughout the entire program. In contrast, local variables are created and destroyed within a function, making them more memory-efficient. Declaring all variables globally can, therefore, result in unnecessary memory usage, which can lead to performance issues. In conclusion, it is best to use a combination of local and global variables as it helps to reduce complexity, minimize errors and optimize memory usage. Local variables should be used wherever possible, and global variables should be used sparingly and only when necessary. By doing so, developers can create more efficient and maintainable code.
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What should be entered to make the loop print
60
70
80
x = 50
while (x < 80):
x = x + ____
print (x)
Answers
Answer:
x = x + 10
Explanation:
since the difference between 60, 70 and 80 is 10, adding 10 to x will make the loop print.
The value that must be entered in the blank in order to make the loop print is 10.
What do you mean by Loop print?Loop print may be defined as the type of programming language conditional that involves the process that expresses an outcome of a block of code that we want the computer to execute repeatedly during the course of programming. This means that you can iterate over a string character by character.
According to the question, the values given in the reference are 60, 70, and 80. This means that the difference between the reference value is found to be 10.
So, when we print this value as an outcome, we will require to follow some steps:
x = 50while (x < 80):x = x + 10print (x).Therefore, the value that must be entered in the blank in order to make the loop print is 10.
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what the effect rendered more hooks than during the previous render.
Answers
If the effect rendered more hooks than during the previous render, it means that the content loaded in the current render cycle has triggered the creation of more hooks than in the previous render cycle.
When the effect "rendered more hooks than during the previous render," it means that the current rendering of the component includes more hook functions than in the previous render. This could potentially lead to inconsistencies in the component's state and behavior, as the order and number of hooks must remain constant between renders to ensure proper functionality.
This could be due to changes in the data or props passed to the component, or changes in the component's state. It could also be due to updates in the component's lifecycle methods or changes in the logic of the component. Ultimately, the increase in the number of hooks could have various effects on the component's behavior and performance, depending on the specific use case.
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Terry visits the website www.examplewebsite.org. What can you gather about the site from the domain?
ОА.
It is a commercial website.
OB.
The website belongs to an organization.
Ос.
The website was set up in Oregon.
OD.
The website is 100 percent original.
O E.
It is a government website.
Answers
Explanation: This question asks the student to consider the domain .org. The student needs to know that org is short for organization. This would point to option B. For option A to be true, the domain would need to be .com. Option C and D couldn’t be true, as there is no domain to point to these options. For option E to be true, the domain would need to be .gov.
Hope this helps! Comment below for more questions.
A hardware mechanism is needed for translating relative addresses to physical main memory addresses at the time of execution of the instruction that contains the reference. O TrueO False
Answers
The statement "A hardware mechanism is needed for translating relative addresses to physical main memory addresses at the time of execution of the instruction that contains the reference." is true.
In a computer system, programs are usually written using relative memory addresses, which are typically in the form of offsets or pointers. These relative addresses are used by the program to access data or instructions stored in memory.
A hardware mechanism, typically known as the Memory Management Unit (MMU), is responsible for translating these relative (or virtual) addresses to physical main memory addresses during the execution of an instruction. This translation process ensures that the correct data is accessed and the system operates efficiently.
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The statement "A hardware mechanism is needed for translating relative addresses to physical main memory addresses at the time of execution of the instruction that contains the reference." is true.
In a computer system, programs are usually written using relative memory addresses, which are typically in the form of offsets or pointers. These relative addresses are used by the program to access data or instructions stored in memory. A hardware mechanism, typically known as the Memory Management Unit (MMU), is responsible for translating these relative (or virtual) addresses to physical main memory addresses during the execution of an instruction. This translation process ensures that the correct data is accessed and the system operates efficiently.
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Who has a stronger Air Force? USA or Russia?
-You get it right, then you get brainliest, and make sure you go check out my other questions so you can brainliest next time I post
-Friend me for question #4
Answers
Answer:
BOTH USA & RUSSIA
Explanation:
BOTH USA AND RUSSIA USA IS #1 and RUSSIA IS #2
*
Which of the following variable names are invalid?
123LookAtMe
Look_at_me
LookAtMe123
All of these are valid
Answers
Answer:
I think they're all valid but the validility depends on the website your using the usernames on.
Explanation:
To find spelling errors in your document you can use....
A.Grammarly
B. Spell Changer
C.Spell Check
D.Spell Corrector
Answers
Answer:
Spell check
Explanation:
On the Review tab, click Spelling & Grammar. If Word finds a potential error, the Spelling & Grammar dialog box will open, spelling errors will be shown as red text, and grammatical errors will be shown as green text.
What feature do you need on a computer if you want to take it with you on vacation to another continent
Answers
Main Answer:
What feature do you need on a computer if you want to take it with on vacation to another continent? Dual-Voltage Selector.
Sub heading:
what is mean by dual voltage selector?
Explanation:
1. A switch used to select primary windings of a transformer.
2.A transformer with one or more windings with two voltage avaliable in order to be able to operate
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What is the Sparklines group for in Excel? to place charts in individual cells working with hyperlinks selecting font styles or themes formatting the appearance of the cells or tables
Answers
Answer:
A sparkline is a tiny chart in an Excel worksheet cell that provides a visual representation of data.
many documents use a specific format for a person's name. write a program whose input is: firstname middlename lastname and whose output is: lastname, firstinitial.middleinitial.
Answers
The program takes input in the format "firstname middlename lastname" and outputs the name in the format "lastname, firstinitial.middleinitial."
Here's a Python program that accomplishes this:
```python
def format_name(input_name):
name_parts = input_name.split()
firstname = name_parts[0]
middlename = name_parts[1]
lastname = name_parts[2]
first_initial = firstname[0]
middle_initial = middlename[0]
formatted_name = f"{lastname}, {first_initial}.{middle_initial}"
return formatted_name
# Example usage
input_name = "John Adam Doe"
formatted_name = format_name(input_name)
print(formatted_name)
```
In this program, the `format_name` function takes the input name as a parameter. It splits the input into individual parts using the `split` function, assuming that the input name is separated by spaces. The first, middle, and last names are assigned to their respective variables.
Next, it extracts the first initials of the first and middle names using indexing. The formatted name is constructed using string formatting and stored in the `formatted_name` variable.
Finally, the formatted name is returned by the function, and an example usage is provided, demonstrating how to call the function with an input name and print the formatted output.
Note that this implementation assumes the input will always have three name parts: firstname, middlename, and lastname. If the input can vary or has additional complexities, the program may need to be modified accordingly.
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URGENT! I know it has to be one of these answers, but I cannot tell the difference between them for the life of me. Help.
Answers
I don't see a difference. Otherwise, they both are correct.
2) Prompt the user for his/her favorite 2-digit number, and the output is the square root of the number.
Answers
num = int(input("What's your favorite 2-digit number? "))
print("The square root of {} is {}".format(num, (num**0.5)))
I hope this helps!
When is a for loop used in a Java Program?
A. When you already know how many times to perform an action.
B. When you want to test how many times to perform an action.
C. When you don't know how many times to perform an action.
D. When you want to define the name of an action.
Answers
Answer:
A
Explanation
Use "for loop" when size/length is pre-defined/know, such as
int[] numbers = new int[]{ 1,2,3,4,5,6,7,8,9,10 };
length : 10
snippet:
numbers.forEach(int num in numbers){
}
// or
for(int i=0; i < numbers.length ; i++){
}
is a variable a number
Answers
Answer:
No
Explanation:
A variable is like a symbol like a letter, that it used to describe a number.
What is the first tag that should be found in EVERY HTML file?
Answers
<HTML> tag
The first tag in any HTML file is the <HTML> tag.
Create code in HTML of a webpage that has an image that opens a page with the Wikipedia website when clicked. (Refer to Image)
Answers
Here is the Code.
you may need to change it a bit
Hopefully it Help you out :-)
What is the output of this line of code? print(3**3) A. 6 B. 9 C. 27 D. 3
Answers
Answer:
C. 27
Explanation:
The output of this line of code is :
print(3**3) = 27
The reason for this is that ** is the operator for exponentiation, it raises the number on the left to the power of the number on the right.
So 3**3 means 3 raised to the power of 3 which is equal to 27.
Therefore the output will be C. 27