def get_adder_of(a=1):
    return lambda x:x+a

add_five=get_adder_of(5)
add_two=get_adder_of(2)
add_seven=get_adder_of(7)

print('10 + 5 =%d'% add_five(10))
print('8 + 2 =%d'% add_two(8))
print('8 + 7 =%d'% add_five(8))