coding utf-8 __author__ Nastya def plus znachenie1 znachenie2 result z

#coding=utf-8
__author__ = 'Nastya'

def plus(znachenie1, znachenie2):
    result = znachenie1 + znachenie2
    return result
    
z = 5
res_plus = plus(20, 19)
print 'resultat slojhenia 20 i 19:', res_plus