Create And Print Bill In Python


Bill Weinman - Las Vegas, Nevada | Professional Profile | LinkedIn

Create And Print Bill In Python

Hello Friends, Today Iam going to discuss on a tutorial which is based on Create And Print Bill In Python.Iam going to explain it with a credit bill example which have 1 year bill and print it and print it.

Explain

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We are going to use a existing style guide for python programming language where we are going to use PEP8,so please use it here to creating the program to print.Iam recommending you to use some variables and functions which have a name.

While doing that Iam going to use my choosen name , if you guys want to give your name give it, To improve the readibility and descriptiveness of the program.

If you move your string describing the function into the function definition itself, it becomes a docstring. This allows you example to call help(function_name) to get a description of the function.

Try to avoid using string addition because it creates an additional temporary variable for each addition. Rather use format (with its syntax described here). You can also use multi-line strings here.

I would move the calculation of the monthly interest rate out of the loop, it does not change.

Avoid unused temporary variables. The variable updatedBalanceEachMonth is only used for printing and assigning balance to its value at the end. Rather update balance right away.

The calculation of the new balance can also be simplified somewhat from:-

month_balance = balance - minimumMonthlyPayment
every_month_bill = round(month_balance + (monthlyInterestRate * month_balance) , 2)

to:-

every_month_update_bill = round((1 + monthlyInterestRate) * (balance - minimumMonthlyPayment), 2)

This way, the intermediate variable is no longer needed.
If you did not want to print the minimum payment, it could even be simplified further:-

balance = round((1 + interest_rate) * (1 - payment_rate) * balance, 2)

I would make the function return either the new balance or the total amount paid. This way it could be used elsewhere in the program.Here in the practical, you should maybe make the printing optional and guard the test call guarded by a if __name__ == "__main__": clause.

Program In Python:-

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def credit_balance(balance, interest_rate, payment_rate, verbose=False):

          total = 0
          interest_rate /= 12.0
          for m in range(12):
               minimum_payment = round(payment_rate * balance, 2)
               total += minimum_payment
              balance = round((1 + interest_rate) * (balance - minimum_payment), 2)
          if verbose:
              print ("""Month: {}
                           Minimum monthly payment: {}
                            Remaining balance: {}
                     """.format(m+1, minimum_payment, balance))

          if verbose:
                print ('Total paid: {}'.format(total))
         return balance

if __name__ == "__main__":
              balance = 10812
             balance = credit_balance(balance, 0.2, 0.04, True)

That's all for today friends,GoodBye Friend's :-

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Leave a Comment below friends If you guys have some questions to ask,we will give your answers soon....

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