Write a recursive function that parses a binary number as a string into a decimal integer. The function header is as follows: def binaryToDecimal(binaryString): Write a test program that prompts the...

Write a recursive function that parses a binary number as a string into a decimal integer. The function header is as follows:
def binaryToDecimal(binaryString):
Write a test program that prompts the user to enter a binary string and displays its decimal equivalent.