list，tuple,set,dict基础

list

# @Auther   : chen
# @Time     : 2018/4/26 19:55
# @File     : list_ex.py
# @SoftWare : PyCharm

# list1 = [1,2,3,4,5,6,7,8,9,0]
# random.shuffle(list1)
# print(list1)
# for i in list1:
#     print(i)

name_list = ['alex','bill','chris','eve','frank','ray','suker']
name_iter=iter(name_list)
print(name_iter.__next__())
# print(name_list.index('chris'))
# name_list.insert(4,'jack')#指定位置插入
# print(name_list)
# name_list.reverse()#list 反转
# print(name_list)
# name_list.remove('eve')#删除指定的值
# print(name_list)
# name_list.pop()#删除一个列表尾部数据
# name_list.sort()#按顺序排列原list
# chg_list = sorted(name_list)#排序
# name_list.append('alex')#尾部追加
# print(name_list)
#删除列表中指定的值
# for val in range(name_list.count('alex')):
#     name_list.remove('alex')
# print(name_list)
#切片 顾头不顾尾
# list_src = [1,2,3,4,5,6,7,8,9,0]
# print(list_src[0:3])
# print(list_src[:3])
# print(list_src[-3:-1])
# print(list_src[-3:])
# print(list_src[0:9:3])
#列表拼接
# name_list = name_list + list_src
# print(name_list)
# list_src.extend(name_list)
# print(list_src)
# list1 = [0,1,2,3,4,5,6,7,8,9,0]
# list2 = 'ray chen'
# list1.extend(list2)
# print(list1)
# list3 = []
# list3.extend(list2)
# print(list3)
#元组和列表互转
list1 = ['alex','suker','flex']
print(list1.count('alex'))
tuple1 = tuple(list1)
print(list1,tuple1)
list2 = list(tuple1)
print(list2,tuple1)

'''
import copy
list1 = [1,2,3,4,5]
list2 = ['a','b','c','d']
for ele in zip(list1,list2):
    print(ele)
p1 = ['name',['age',170],'male']
p2 = list(p1)
p2[0] = 'name2'
p2[1][1] = 175
print('--result2--')
print(p1,p2)
p3 = copy.copy(p1)
p3[0] = 'name3'
p3[1][1] = 180
print('--result3--')
print(p1,p3)
p4 = p1[:]
p4[0] = 'name4'
p4[1][1] = 185
print('--result4--')
print(p1,p3)
p5 = p1
p5[0] = 'name5'
p5[1][1] = 190
print('--result5--')
print(p1,p5)
p6 = copy.deepcopy(p1)
p6[0] = 'name6'
p6[1][1] = 195
print('--result6--')
print(p1,p6)
'''
'''
#浅COPY
p1 = ['name',['age',170],'male']
p2 = list(p1)
p2 = copy.copy(p1)
p2 = p1[:]
p2 = p1

'''
'''
L1 = ['A','B','C',['D','E','F'],'G']
L2 = L1.copy()
L2[3][2] = 'F1'
print(L1,L2)
'''
'''
L1 = [1,2,3]
L2 = L1.copy()
L2[1] = 0
print(L1,L2)
'''
'''
import copy
L1 = [1,2,3]
L2 = copy.deepcopy(L1)#copy 一份独立的列表
L2[1] = 0
print(L1,L2)
'''
'''
L1 = [1,2,3]
L2 = L1
L2[1] = 0
print(L1,L2)
'''
'''
L1 = ['A','B','C',['D','E','F'],'G']
L2 = L1.copy()
print(L1,L2)
L1[2] = 'C1'
print(L1,L2)
L1[3][2] = 'F1'
print(L1,L2)
L2[2] = 'B1'
print(L1,L2)
L2[3][1] = 'D1'
print(L1,L2)
'''
'''
L = ['a','b','c','d','e','f']
# insert add
L1 = L.insert(1,'0')
L2 = L.append('g')
#modify
L3 = L[0] = '1'
#delete
L4 = L.remove('g')
L5 = L.pop()
del L[0]
#切片
print(L)
print(L[:5]) #取前5个 == print(L[0:5])
print(L[1:5]) #从下标1取到下标4（顾头不顾尾）
print(L[4]) #取第4个元素
print(L[-1])#取最后一个元素
print(L[-3:])#取最后3个元素
print(L[-3:-1])# 取倒数第二和第三个元素
print(L.count('e'))
L.reverse() #反转
L.sort()#排序
sorted（L)#排序
L.index('e')#打印元素索引
L.extend(L5) #拼接2个列表
print(L)
L6 = L.copy()#复制列表
L.clear()#清空
del L #删除列表
'''

tuple

#tuple比list好的地方
#1.性能优化（immutable会作为常量在编译时确定）（immutable--不可变）
#2.线程安全
#3.可以作为dict的key
#4.可拆包
#tuple 拆包
user_tuple1 = ('ray',27,170)
name,age,height = user_tuple1
print(name,age,height)
user_tuple2 = ('ray',27,170,'shiyan','college')
name,*other = user_tuple2
print(name,other)
#tuple不可变性不是绝对的
user_tuple3 = ('ray',[27,'shiyan'])
print(user_tuple3)
user_tuple3[1].append('college')
print(user_tuple3)
user_dict = {}
user_dict[user_tuple1] = 'ray'

set

#list 转 set
list_1 = [1,3,5,7,9,11,13]
list_1 = set(list_1)
list_2 = {3,7,9,11,2,4,6}
#交集
print(list_1.intersection(list_2))
print(list_1 & list_2)
#并集
print(list_1.union(list_2))
print(list_1 | list_2)
#差集
print(list_1.difference(list_2))
print(list_1 - list_2)
#子集/父集
print(list_1.issubset(list_2))
print(list_1.issuperset(list_2))
#对称差集(两个集合中互相不存在的）
print(list_1.symmetric_difference(list_2))
print(list_1 ^ list_2)
#添加

string

str1 = 'good good study,day day up'
print(str1.capitalize())  # 首字母大写
print(str1.center(50,'-'))
list1 = ['1','2','3']
print('+'.join(list1))　

dict