10 2018 档案

摘要：1. Set Set is a collection which is unordered and unindexed. No duplicate members In Python sets are written with curly brackets { } set1 = {'apple', 阅读全文

摘要：1. Built-in Modules and Functions 1) Function def greeting(name): print("Hello,", name) greeting("Alan") 2) import os import os os.system("dir") 2. Nu 阅读全文