#PART3
unit_price = 100
vat_rate = 20
vat = unit_price * vat_rate / 100
print(unit_price + vat)

#PART4
door_closed = True
engine_on = True
ready = door_closed and engine_on
print(ready)

#PART5
farn = 56
#cent = (farn-32) * 5/9
cent = int((farn-32) * 5/9)

x = 2 * (3 - 1)
y = (1 + 1) ** (5 - 2)

z = 2 ** 1 + 1

minute = 30
Z = (minute * 100) / 60