Python初识
一、输入/加密
#!/usr/bin/python
#coding:utf-8
import getpass
name = raw_input('请输入用户名:')
pwd = getpass.getpass('请输入密码:')
if name == "alex" and pwd == "cmd":
print "欢迎,alex!"
else:
print "用户名和密码错误"
二、enumrate
li = [11,22,33]
for k,v in enumerate(li, 1): print(k,v)三、range和xrange
print range(1, 10, 2)# 结果:[1, 3, 5, 7, 9]print range(30, 0, -2)# 结果:[30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2]
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