总结：安装解释器 学习语言规则 编写代码 解释其运行解释Python版本

#!/usr/bin/env python
# -*- coding:utf-8 -*-

"""
5*公鸡 < 100
3*母鸡 < 100
1*小鸡 < 300
公鸡+母鸡+小鸡 = 1000
"""
for i in range(1, 21):
    for x in range(1, 34):
        for y in range(1, 301):
            score = i * 5 + x * 3 + y / 3
            if score == 100:
                print('公鸡 %s 只, 母鸡 %s 只, 小鸡 %s 只' % (i,x,y))
                print('hello word')

# -*- coding:utf-8 -*-  解释器默认编码utf-8

print('王紫薇')

print('要睡觉')

# -*- coding:gbk -*-

print('要睡觉')

输出：

print("你是风儿我是沙")

输入：

user = input("请输入用户名：")

密文传输：

import getpass

pwd = getpass.getpass("请输入密码：")

user_name = ['王五','张三']
print(user_name)

age = 18

字符串：

name = "紫薇"

# 获取紫

n1 = name[0]

n2 = name[1]

user_list = ["紫薇","尔康","18","海量","小鸡"]

n3 = user_list[0]

n4 = user_list[1] # "尔康"

user_list = ["紫薇","尔康","18","海量","小鸡"]

for xxx in  user_list:

print(xxx)

if xxx == '18':

break

user_info = {"name":"紫薇","age":18}

n5 = user_info["name"]

n6 = user_info["age"]

user_info['count'] = 666

# {"name":"紫薇","age":18,"count":666}

msg = """
    欢迎致电10086
       1. 查询话费
       2. 查水表
       3. 人工服务
       """
chose = input(">>前请输入要查询的服务")
if chose == '1':
    print("1.查询本机 2.查询他人手机 3.查询流量")
    chose_xianmu = input(">>请输入项目")
    if chose_xianmu == '1':
        print("查询本机")
    elif chose_xianmu == '2':
        print("查询他人手机")
    elif  chose_xianmu == '3':
        print('查询流量')
    else:
        print('重新输入')
elif chose == '2':
    print("查询水表")

elif chose == '3':
    print("人工服务")
else:
    print("重新输入")

# username = input(">>请输入用户名： ")
# password = input(">>请输入密码： ")
# number= 10
# if username == "wang" and password == str(123) :
#     print("登录成功")
# else:
#     print("失败")

count = 1

while True:

print(count)

count = count + 1

if count == 11:

break

count = 1

while True:

print(count)

if count == 10:

break

count = count + 1

count = 1

while True:

print(count)

if count == 10:

break

count+=1

count = 1

while count < 11:

if count == 7:

count+=1

continue

print(count)

count+=1

count = 1

while count < 11:

if count == 7:

pass

else:

print(count)

count+=1

list = ["wang","xiao",[11,22,33]]

n=list[1]

m=list[2][1]

print(n)

print(m)

C:\python3\python.exe D:/python/untitled2/lianxi/1.py

xiao

22

list = [

"wang",

{'name':'xiao','age':18},

[11,22,33]

]

list[1]["age"]=20

print(list)

C:\python3\python.exe D:/python/untitled2/lianxi/1.py

['wang', {'name': 'xiao', 'age': 20}, [11, 22, 33]]

import getpass

password = getpass.getpass('>>输入密码')

if usname == 'wang' and password == 123:

print("ok")

else:

print('no')

python3

user = input('请输入:')

python2

user = raw_input('请输入用户名：')