#adder2.py

result1 = 0
result2 = 0

def adder1(num):
	global result1
	result1 += num
	return result1

def adder2(num):
	global result2
	result2 += num
	return result2

print(adder1(1))
print(adder1(2))
print(adder2(3))
print(adder2(4))


