For an e-Shop, there is a Customer whose data is stored in a file ‘Customers.txt’, where ID, Name, Phone, Address, Email, and AmountBalance. When the customer buys a product and pays from his AmountBalance, the system checks his balance and deducts if enough amount is there. Otherwise, the customer receives a message “You don’t have sufficient Balance in your wallet”. Write python code to create a ‘Customers.txt’ file with at least one customer’s record.  Write a function pay(), that takes amount as an input, reads the file and gets AmountBalance, print “Successful Transaction” when payment can be made or a message “You don’t have sufficient Balance in your wallet”.  Write a function checkBalance(), that reads the file and gets AmountBalance, prints “Amaount Balance”  Write a function recharge(), that takes “Enter Amount you want to recharge”, reads the file and gets AmountBalance, adds the new amount in AmountBalance, update the file, and prints “Success”

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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For an e-Shop, there is a Customer whose data is stored in a file ‘Customers.txt’, where ID, Name, Phone, Address, Email, and AmountBalance. When the customer buys a product and pays from his AmountBalance, the system checks his balance and deducts if enough amount is there. Otherwise, the customer receives a message “You don’t have sufficient Balance in your wallet”.

  1. Write python code to create a ‘Customers.txt’ file with at least one customer’s record. 
  2. Write a function pay(), that takes amount as an input, reads the file and gets AmountBalance, print “Successful Transaction” when payment can be made or a message “You don’t have sufficient Balance in your wallet”. 
  3. Write a function checkBalance(), that reads the file and gets AmountBalance, prints “Amaount Balance” 
  4. Write a function recharge(), that takes “Enter Amount you want to recharge”, reads the file and gets AmountBalance, adds the new amount in AmountBalance, update the file, and prints “Success”
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