print x

x = x + 15

print x

x = x * 0.1

print x

onoma = "Δημήτρης"

print onoma

print "Καλημέρα" + onoma

print "Καλημέρα " + onoma

x, y = 10, 18

print x, y

x = 45

x = 45.5

print x

print x + x

x = "Χαρούλα"

y = "Δημήτρης"

print "Καλησπέρα " + x + " και " + y

5*3+2

5*(3+2)

5*(3+2)/10

5**4