print("if the start value less then the end value and the step is negative ! " "No error will be reported and empty will be returned, ") for i in range(0, 10, -1): print(i)
# One line of code exchanges value of a and b a = 1 b = 2 a, b = b, a print(a, b)
原文：https://www.cnblogs.com/zxw-xxcsl/p/11479201.html