intro to python

Hi i need some hep for my homework its an intro to basic python class. i did help only with number 2 and 3 as number 1 i am basically done but just need a little help in the last bit to get the sum from the data. SO the there is only 3 question i am done with the first one but just need a little help and i uploading what i did so you can see. Thankyou i hope this helps


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Green Tea:8580.0:7201.25:8900.0
Earl Grey:10225.25:9025.0:9505.0
Mint Tea:7901.25:4267.0:7056.5
Green Tea:8580.0:7201.25:8900.0
Earl Grey:10225.25:9025.0:9505.0
Mint Tea:7901.25:4267.0:7056.5
#Jonathan Tjitro
#HW 5 NO.1
infile = open(“tea.txt”, ‘r’)
for tea in em_tea:
for x in range(0,len(em_tea)):
for y in range(0,len(teas[x])):
if y==0 :
print(teas[x][y], end =”)
print(teas[x][y], end=’ ‘)
Python 3.6.4 (v3.6.4:d48ecebad5, Dec 18 2017, 21:07:28)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type “copyright”, “credits” or “license()” for more information.
======== RESTART: /Users/jonathanlee/Desktop/python lab/HW 5
Green Tea8580.0 7201.25 8900.0
Earl Grey10225.25 9025.0 9505.0
Ceylon6700.1 5012.45 6011.0
Jasmine9285.15 8276.1 8705.0
Mint Tea7901.25 4267.0 7056.5
CS10 Python Programming Homework 5
40 points
Dictionaries, Files, OOP
1. You must turn in your program listing and output for each program set. Start a new sheet or sheets of paper
for each program set. Each program set must have your student name, student ID, and program set
number/description. All the program sets must be printed and submitted together with your Final Exam.
Once you complete your Final Exam and leave the classroom you will not be able to submit Homework 5.
Late homework will not be accepted for whatever reasons you may have.
for this homework, you are also to submit All Program Sets to Canvas under Homework 5 link
Name your files : for Program Set 1 and so on. PS means program
You still have to submit the paper copies together with the rest of the Homework 5.
You have till 11:59pm on the day of Final Exam to submit all Program Sets to Canvas. If the
deadline is past, Program Sets will not be graded even if you submit the paper copy on time.
You must submit both hardcopy and upload the Program Sets to Canvas to be graded. If you
only submit the hardcopy or only upload to Canvas you will receive a zero for the Program Sets.
You must submit all the hardcopies of all Program Sets of Homework 5.
if you do not follow instructions on file naming provided in this section you will receive a zero for
the whole of Homework 4.
2. You must STAPLE (not stapled assignments will not be graded resulting in a zero score) your programming
assignment and collate them accordingly. Example Program set 1 listing and then output, followed by
Program Set 2 listing and output and so on.
3. Please format you output properly, for example all dollar amounts should be printed with 2 decimal places.
Make sure that your output values are correct (check the calculations).
4. Each student is expected to do their own work. IF IDENTICAL PROGRAMS ARE SUBMITTED, EACH
Each program set must run correctly syntactically, logically, and display the correct output as specified. If
the program set does not run correctly, a zero will be given. For each Program set, if the program executes
properly with proper syntax, logic, and displays the correct output, then points will be deducted for not having
a. Comments 1 pt
– Your name, description at the beginning of each program set. Short description of the what
each section of your codes do.
b. Consistency/Readability 2 pts
– Spacing(separate each section of codes with a blank line
– Indentation
– Style (proper naming of variables no a,b,c â?? use descriptive and mnemonics)
-each function must include type hints or annotations except for the main()
-include docstrings for every function
c. Required elements 2 pts
– Use tools that have been covered in class
– proper formatting for output when specified
– all monetary values must be in 2 decimal places
d. Output 3 points
– to be displayed at the end of the program listing(codes)
– must use test cases when provided
Program 1- Tea Leaves Sales Report (15 Points)
Here is the sample of the text file (datafile) for the tea sales (tea.txt). You have to create this file yourself.
Green Tea:8580.0:7201.25:8900.0
Earl Grey:10225.25:9025.0:9505.0
Mint Tea:7901.25:4267.0:7056.5
The data reads as follows â?? tea_name:store1_Sales:store2_Sales:store3_Sales
2. The output displayed as follows:
Earl Grey
Green Tea
Mint Tea
The last row is the store totals for all the kinds of tea leaves sold. The last column is the total sale for
each kind of tea leaves sales. Note that the tea names are sorted.
3. Write a program to read in the tea.txt textfile and then print the report as shown in #2 above.
4. You must use dictionary. You can also use list, tuples, sets if necessary.
Program 2 â?? OOP (10 points)
Write a program to calculate and display the loan for buying a car.
Create a class call Loan.
Data fields in the Loan class include:
Annual Interest Rate (Float)
Number of years of loan (Float)
Loan Amount (Float)
Borrowerâ??s Name (string)
Create the initializer or constructor for the class with the above data fields. Make the data fields private.
Create accessors (getter) for all the data fields.
Create mutators (setters) for all the data fields.
Create a class method

getMonthlyPayment where
monthlyPayment = loanAmount * monthlyInterestRate / (1 � (1 / (1 monthlyInterestRate) ** (numberOfYears * 12)))
note: that the monthly interest rate = annualinterest / 1200
5. Create a class method – getTotalPayment where
totalPayment = getMonthlyPayment() * numberOfYears * 12
Write a test program (main function) to allow the user to enter the following:
Annual Interest Rate
Number of Years of Loan
Loan Amount
Borrowerâ??s Name
Allow the user to change the loan amount and reprint the new loan information.
The output should look like this:
Enter yearly interest rate, for example, 7.25: 2.5
Enter number of years as an integer: 5
Enter loan amount, for example, 120000.95: 1000.00
Enter a borrower’s name: John Jones
The loan is for John Jones
The monthly payment is 17.75
The total payment is 1064.84
Do you want to change the loan amount? Y for yes or enter to quit y
Enter new loan amount 5000
The loan is for John Jones
The monthly payment is 88.74
The total payment is 5324.21
Program Set 3 (15 points)
Use Program set 2 codes and use tkinter module to create a GUI program for the Loan program that looks like
the below image.

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