Mimic do-while loop with an emergency brake feature.

mimic_do_while.py

#!/usr/bin/env python3
"""Mimic do-while loop with an emergency brake feature.
"""


def dummy_func():
    for i in range(8):
        yield i


def main():
    num = dummy_func()
    emergency_break_max = 12
    emergency_break_sts = 0
    while True:
        # begin: main body
        try:
            print(next(num))
        except StopIteration:
            print('\033[31mLoop Runaway!\033[0m')
        # end: main body

        emergency_break_sts += 1
        if emergency_break_sts > emergency_break_max:
            print('\033[93mEB Applied\033[0m')
            break


main()