python 3.5

# -*- coding:utf8 -*-
# 原始字符串 三引号打印和多行注释一样
# name = '''世界顶峰的 ''时间'''
# print name
# name="shfahfh"
# print(len(name))
# print(name[0:3])
# for b in name:
# print(b)
# a =format("sjsjf%s"%"张三")
# print a
#
# scort =format("select * from user where username ='%s'pwd= '%s'"%(name,a))
# print(scort)
# min =[('admin','123456'),
# ('ad','875433'),
# ('ad1','234567'),
# ('ad2','244750'),
# ('ad3','752345')]
# name =raw_input("请输入账号:")
# pwd=raw_input("请输入密码:")
# i=0
# if len(pwd)>=6:
# scort[0][0]==name and scort[0][1]==pwd
# scort[1][0] == name and scort[1][1] == pwd
# scort[2][0]==name and scort[2][1]==pwd
# scort[3][0] == name and scort[3][1] == pwd
# scort[4][0] == name and scort[4][1] == pwd
# print("账号密码存在")
# else:
# print("账号和密码有不相等的")

# mat=8
# mat1=9
# print(mat*mat1)

#找字符
static ="ewsega"
test ="a" in static
print(test)
# 查找字符的意思__doc__
# 指定符号才能打印
num =static.encode(encoding="utf-8",errors="sdhsdh")#.__doc__
print num
#字典查找
dc ={}
dc ["hshf"]="水粉画"
dc ["sex"]="sjff"
print(dc["sex"])
#clear()删除元素 取空
n1={"shh深度",2133,"闪电发货"}
print(n1.__len__())
n1.clear()
print(n1)
ddd =dc.copy()
dv=ddd.fromkeys([1,2,3,4],["a","b"])
#里面有这个值不,在返回布尔值
b =dc.has_key("sex")
b1=dc.popitem()
print(b1)
原文地址:https://www.cnblogs.com/chendongqq/p/8409578.html