python program : Rewrite the program used to calculate electricity bill in Assignment 1 to use

python program

Rewrite the program used to calculate electricity bill in Assignment 1 to use a function. Prompt the user for the previous reading and the current reading. Pass the two readings to the function as arguments, and return the correct bill amount from the function to the calling code. Print out the bill amount from the calling code. Write another function that calculates early payment discount for the bill amount returned by the first function (The early payment discount is 25% of the original bill amount). Pass the value of the bill amount