Short-Circuit And Float

Question

Im trying to use short circuit in Python to print some data but my float didnt appear with 2 number after the dot despite i wrote .2f

((DidHourPlus == 1) and (StartWeek == 1) and (post == "r") and print("The daily salary is %2.f" %  ((hours - 8) * 35 + 8 * 30)))
((DidHourPlus == 1) and (StartWeek == 1) and (post == "s") and print("The daily salary is %2.f" % (1.20*((hours - 8) * 35 + 8 * 30))))
((DidHourPlus == 1) and (StartWeek == 1) and (post == "m") and print("The daily salary is %2.f" % (1.50*((hours - 8) * 35 + 8 * 30))))

Answer 1

This is a misuse of short-circuiting. Don't use and this way. Use if statements.

For two decimal places put the 2 after the decimal place: %.2f not %2.f.

if DidHourPlus == 1 and StartWeek == 1 and post == "r": print("The daily salary is %.2f" %  ((hours - 8) * 35 + 8 * 30)))
if DidHourPlus == 1 and StartWeek == 1 and post == "s": print("The daily salary is %.2f" % (1.20*((hours - 8) * 35 + 8 * 30)))
if DidHourPlus == 1 and StartWeek == 1 and post == "m": print("The daily salary is %.2f" % (1.50*((hours - 8) * 35 + 8 * 30)))

You can extract the repeated tests into a single if:

if DidHourPlus == 1 and StartWeek == 1:
    if post == "r": print("The daily salary is %.2f" %  ((hours - 8) * 35 + 8 * 30)))
    if post == "s": print("The daily salary is %.2f" % (1.20*((hours - 8) * 35 + 8 * 30)))
    if post == "m": print("The daily salary is %.2f" % (1.50*((hours - 8) * 35 + 8 * 30)))

Then extract the printout:

if DidHourPlus == 1 and StartWeek == 1:
    salary = None

    if post == "r": salary = (hours - 8) * 35 + 8 * 30
    if post == "s": salary = 1.20*((hours - 8) * 35 + 8 * 30)
    if post == "m": salary = 1.50*((hours - 8) * 35 + 8 * 30)

    if salary:
        print("The daily salary is %.2f" % salary)

Then extract the salary calculation:

if DidHourPlus == 1 and StartWeek == 1:
    rate = None

    if post == "r": rate = 1.00
    if post == "s": rate = 1.20
    if post == "m": rate = 1.50

    if rate:
        salary = rate * ((hours - 8) * 35 + 8 * 30)
        print("The daily salary is %.2f" % salary)

You could stop there, but if you want to get even fancier you could lookup the rates in a dictionary.

if DidHourPlus == 1 and StartWeek == 1:
    rates = {"r": 1.00, "s": 1.20, "m": 1.50}
    rate  = rates.get(post)

    if rate:
        salary = rate * ((hours - 8) * 35 + 8 * 30)
        print("The daily salary is %.2f" % salary)

In Python 3.8 you can tighten it up even further with an assignment expression.

if DidHourPlus == 1 and StartWeek == 1:
    rates = {"r": 1.00, "s": 1.20, "m": 1.50}

    if rate := rates.get(post):
        salary = rate * ((hours - 8) * 35 + 8 * 30)
        print("The daily salary is %.2f" % salary)