17 | Global CONSTANT

What it is is:

retirement.py

# The following is used as a global constant to represent
# the contribution rate.
CONTRIBUTION_RATE = 0.05

def main():
    gross_pay = float(input('Enter the gross pay: '))
    bonus = float(input('Enter the amount of bonuses: '))
    show_pay_contrib(gross_pay)
    show_bonus_contrib(bonus)

# The show_pay_contrib function accepts the gross
# pay as an argument and displays the retirement
# contribution for that amount of pay.
def show_pay_contrib(gross):
    contrib = gross * CONTRIBUTION_RATE
    print(f'Contribution for gross pay: ${contrib:,.2f}.')

# The show_bonus_contrib function accepts the
# bonus amount as an argument and displays the
# retirement contribution for that amount of pay.
def show_bonus_contrib(bonus):
    contrib = bonus * CONTRIBUTION_RATE
    print(f'Contribution for bonuses: ${contrib:,.2f}.')

# Call the main function.
main()