on_off_switch.py

def on_off_switch(switches):

    # ** operator in Python works as power
    posibilities = 2 ** switches
    return posibilities


print(on_off_switch(1))
print(on_off_switch(3))
print(on_off_switch(10))
print(on_off_switch(21))
print(on_off_switch(24))
print(on_off_switch(4))
print(on_off_switch(6))