加参数
def test(m):
a =1
return a+m
def test2():
m = 5
s = test(m)
b=2
print(s+b)
test2()
不加参数
def test():
a =1
return a
def test2():
s = test()
b=2
print(s+b)
test2()
加参数
def test(m):
a =1
return a+m
def test2():
m = 5
s = test(m)
b=2
print(s+b)
test2()
不加参数
def test():
a =1
return a
def test2():
s = test()
b=2
print(s+b)
test2()