issubset() 方法用于判断集合的所有元素是否都包含在指定集合中，如果是则返回 True，不是则返回 False。

li = [1,2,3,1,2,3]      #将列表转化为集合，去掉重复的项，再将集合转化为列表

参考链接： Python自定义异常def set_inf(name,age):    if not 0 < age < 120:        raise ValueError(&#x27;超出范围&#x27;)    else:        print(&#x27;%s is %s years old&#x27; % (name,age))d.....

Problem Description Write a program to determine the summation of several sets of integers.

Problem Description Given a positive integer n, find the positions of all 1’s in its binary representation. The position of the least significant bit is 0.

Problem Description Given a positive integer n and the odd integer o and the nonnegative integer p such that n = o2^p.

Problem Description Giving the N, can you tell me the answer of F(N)?Input Each test case c

本博客选用LoRa Radio Module-868MHZ作为无线通信模组，其是一款体积小、微功率、低功耗、高性能、远距离的无线数据传输模块。具备内部自动扩频计算和前导 CRC 纠错处理能力。使用时，不改变用户的任何数据和协议，采用半...

https://leetcode-cn.com/problems/permutation-sequence/

Problem Description Zombies love to eat brains. Yum.