摘要：
#if statement number=int(input("please input a number")); if number20: print("is yound older"); else: print("any one else") #for statement _strlist=["fjfsjf'","apple","shje"]; for it... 阅读全文
摘要：
#我的第一个python程序 print("hello world"); #多行字符串 print("""\ Usage: thingy [OPTIONS] -h Display this usage message -H hostname Hostname to connect to """); #转... 阅读全文