Trouble starting a payroll program on Python. How to to force the number to be 0 or positive.

Question

Write a program to calculate gross income and net income for all employees in a company. The user will input how many employees each time this program is executed. Number of employees can be zero, but cannot be negative.

Use a while loop to force the input to be zero or a positive integer (keep asking until a valid value is inputted).

Answer 1

# One of the ways

nmbr = -1

while (nmbr < 0):

typed = input('Enter number: ')

if typed.isdigit():

nmbr = int(typed)

else:

print("Wrong input")