Question

Please I wish you use Python 3.7 for this problems.

Q1. Write a program that receives a series of numbers from the user and allows the user to press the enter key to indicate that he or she is finished providing inputs. After the user presses the enter key, the program should print the sum of the numbers and their average.

Q2. The credit plan at TidBit Computer Store specifies a 10% down payment and an annual interest rate of 12%. Monthly payments are 5% of the listed purchase price, minus the down payment. Write a program that takes the purchase price as input. The program should display a table, with appropriate headers, of a payment schedule for the lifetime of the loan. Each row of the table should contain the following items:

- the month number (beginning with 1)

- the current total balance owed

- the interest owed for that month

- the amount of principal owed for that month

- the payment for that month

- the balance remaining after payment

The amount of interest for a month is equal to balance * rate / 12. The amount of principal for a month is equal to the monthly payment minus the interest owed.

Answer 1

SOLUTION Q1:

NOTE: Explanation is done in the comments itself, you can do it by using inbuilt function sum, len

CODE WITHOUT USING INBUILT FUNCTION:

##read the data of input into the list by doing split so

data=input("enter the numbers by giving space when you finished entering pess 'Enter' button").split(" ")

count=0
sumOfData=0
##take data from list and add to get sum and increase count

for i in data:
if(i!=''):
##i have written this condition for only one case when you enter space at the end the lsit will contain an empty element at the end when we do split
##to overcome that i have written this condition
count=count+1
sumOfData=sumOfData+int(i)
  

## sum is used to calsulate sum of list elements
print("Sum is ",sumOfData)

##average is sum of all terms by number of terms len will give length of list means number of elements

print("Average is ",sumOfData/count)

CODE WITH USING INBUILT FUNCTIONS:

##read the data of input into the list dont enter space at the end if you give space it will through error like an '' not an int since if you space split will take a new empty string

data=list(map(int,input("enter the numbers by giving space when you finished entering pess 'Enter' button").split(" ")))

## sum is used to calsulate sum of list elements
print("Sum is ",sum(data))

##average is sum of all terms by number of terms len will give length of

print("Average is ",sum(data)/len(data))

IMAGE-> CODE WITHOUT USING INBUILT FUNCTION::

IMAGE->CODE WITH USING INBUILT FUNCTIONS:

OUTPUT:

SOLUTION Q2:

NOTE: Explanation is done in the code itself.

##intialize the rate of intrest
rate=12

##read the principal
principal=float(input("Enter the principal Amount : "))

##10 % down payment
print("Down payment is ",principal/10)

##substract the down payment so that the remaining amount is paid in installments
balance=principal-(principal/10)

## we need to apply 12% intrest on the amount
monthPayment=balance *0.05

##intialize month as zero
month=1;
print(": Month : current Balance : interest Owed : Amount owed for the month : payment for the month : Balance Remaining")

##Execute till all the amount is paid
while(balance>0):
##intrest calculation is based on the balance intrest formulae for month is (p*time*rate)/100*12 in the it was given without 100 so i corrected it and written it if that is wrong remove that
##100 and execute the code, I tink that it should have 100 in the formulae
interest=round((balance*rate)/(100*12),2)
##amount to be paid for the month including intrest
monthAmount=round(interest+monthPayment,2)

##here i have printed data in the table format consodering the heading, here the numbers 4,14,12,24,20 are the length of the headings like "Month","current Balance "like these heading
##you can give this by len("month") , Here i have considered the size of the heading and then substracted the len of the printed data and replaced the remaining with " "(space)
##In a simple way i have printed the spaces for making the table order correctly
  
print(":",month," "*(4-len(str(month))),":",balance, " "*(14-len(str(balance))),":",
interest," "*(12-len(str(interest))),":",monthPayment," "*(24-len(str(monthPayment))),":",monthAmount," "*(20- len(str(monthAmount))),":",balance-monthPayment)

##increase the month number
month=month+1
##reduce the balance after payment
balance=balance-monthPayment

IMAGE CODE:

  
  

OUTPUT: