u = 1

def method1(x):
    def method2(n):
        def method3(m):
            return x + n + m
        def method4():
            global u
            u += 1
        method4()
        return method3
    def method5(y):
        return x + y
    return method2, method5

u = 1
def method1(x):
    def method2(n):
        lambda m: x + n + m
        def method4():
            global u
            u += 1
        method4()
    lambda y: x + y
    return method2