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示例: import sys #print(sys.path) #打印环境变量 print(sys.argv)print(sys.argv[2]) ''' import os cmd_res = os.system("ls") #iOS中查看所有文件目录相当于win的dir,cmd_res = os 阅读全文
posted @ 2017-10-12 17:28
Future星空
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示例: age_of_oldboy = 56 count = 0 while True: if count == 3: #只能尝试三次 break guess_age = int(input("guess age:")) if guess_age == age_of_oldboy : print(" 阅读全文
posted @ 2017-10-12 17:17
Future星空
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示例: import getpass #密文处理getpass.getpass _username = 'Future星空' _password = 'haha' username = input("username:") password = input("password:")if _usern 阅读全文
posted @ 2017-10-12 17:09
Future星空
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示例 name = "Future星空" name2 = name print("my name is",name,name2)name = "volkswagen"print(name,name2) #定义含义 St_of_man = "星空" Student of man = "jack"''' 阅读全文
posted @ 2017-10-12 16:54
Future星空
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猜年龄示例1: age_of_oldboy = 56 guess_age = int(input("guess age:"))#规定对方输入的一定为数字 if guess_age == age_of_oldboy : print("yes,you got it.") elif guess_age > 阅读全文
posted @ 2017-10-12 16:46
Future星空
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示例1: for i in range(0,10): if i < 3: print("loop",i) else : continue print("haha") 示例2: for i in range(0,999999,2): print("seek",i) #最后循环减1,i是变量,其实后面默 阅读全文
posted @ 2017-10-12 16:40
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python版本的Helloworld写法: print('Helloworld') java版本的Helloworld写法: import java.util.*; class Helloworld { public static void main(String[] args) { system 阅读全文
posted @ 2017-10-12 16:33
Future星空
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#在2.7中需要注明第一行# -*- coding:utf-8 -*-,这样默认就不是ASCII(阿斯克码)而是用我国的utf-8来进行编译,因为2版本不支持中文,所以加入后可以支持name = "你好,世界"print(name) 阅读全文
posted @ 2017-10-12 16:29
Future星空
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