** all functions must include docstrings. Programs with functions must have the statement

if __name__==__main__

PYTHON

a. write a function show_interest() to take in 3 arguments principal, rate and periods.

- interest = principal * rate * periods

- print the following string

The simple interest will be $1,000.00

b. write the main() function to call show_interest with the default arguments:

rate== 0.01, periods=10, principal = 10000.00