#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author:woshinidaye
#列表、元组、字符串、字典、集合、文件、字符编码转码、内置函数
#列表、元组、字符串、字典、集合、文件、字符编码转码、内置函数
#列表、元组、字符串、字典、集合、文件、字符编码转码、内置函数
'''
#三元运算
a,b,c = 1,3,6
d = a if a > b else c
print(d)
'''

'''
test = '我测试一下'
print(test.encode('utf-8'))
test1 = b'\xe6\x88\x91\xe6\xb5\x8b\xe8\xaf\x95\xe4\xb8\x80\xe4\xb8\x8b'
print(test1.decode('utf-8'))
'''

'''
bbbb = b'example'
ssss = '学习'

ssss_to_bbbb = bytes(ssss,encoding='utf-8')
ssss_to_bbbb_2 = str.encode(ssss)
ssss_to_bbbb_3 = ssss.encode('utf-8')
print(ssss_to_bbbb)
print(ssss_to_bbbb_2)
print(ssss_to_bbbb_3)

bbbb_to_ssss = str(bbbb,encoding='utf-8')
print(bbbb_to_ssss,type(bbbb_to_ssss),type(bbbb))
bbbb_to_ssss_2 = bytes.decode(bbbb)
print(bbbb_to_ssss_2,type(bbbb_to_ssss_2),type(bbbb))
bbbb_to_ssss_3 = bbbb.decode('utf-8')
print(bbbb_to_ssss_3,type(bbbb_to_ssss_3),type(bbbb))
'''

#列表！！！！
#列表！！！！
#列表！！！！
'''
students = ['stu1','stu2','stu3','stu4','stu5']
#print(students,type(students))
#print(students[1],'\n',students[-1],'\n',students[1:3],'\n',type(students[-1]),'\n',students[-3])   #切片
#print(students[-2:],'\n',students[-2:-1])
students.append('stu6')     #列表最后插入，增
students.insert(1,'stu7')   #插入，增
print(students)
#students.remove('stu7')     #删
#del students[1]                #删
#students.pop()                  #Remove and return item at index (default last)
#students.pop(1)
print(students)
print('=====>',students.index('stu1'))
'''
'''
for i in range(0,len(students)):
    #print('====>序号：%s，名称：%s' % (i+1,students[i]))
    #print('====>>>序号：{0:.2f}，名称：{1}'.format(i,students[i]))
    print(f'====>>>>>序号：{i:.2f}，名称：{students[i]}')
'''

'''
#列表的改！
students[students.index('stu1')] = 'stu1111'
print(students)
students.append('stu1')
students.append('stu1')
students.sort()
print(students,students.count('stu1'))
students.reverse()
print(students,students.count('stu1'))
'''

'''
students_01 = ['stu1','stu2','stu3','stu4','stu5']
students_02 = ['qwe','qwe','wer','ert','rty']
students_01.extend(students_02)
students_01.sort()
print(students_01,students_02)
'''

'''
#Return a shallow copy of the list.
students_01 = ['stu1','stu2','stu3','stu4','stu5']
students_02 = students_01.copy()
print('====>',students_01,'\n',students_02)
students_01[0] = 'stu1111111'
print('====>',students_01,'\n',students_02) #替换students_01元素，已经复制的列表不会受影响；
'''

'''
students_01 = ['stu1','stu2','stu3','stu4','stu5']
students_01[0] = ['test01','test02']
#print('====>>>>>',students_01[0],'\n',students_01[0][0])
students_02 = students_01.copy()            #这个地方的copy似乎只copy了第一层！！！！
print('====>>>>>',students_02)
students_01[0][0] = 'test1111111'
#print(students_01[0],'\n',students_01[0][0])
print('====>>>>>',students_01,'\n',students_02)     #子列表里面的元素也发生了修改！！！！！
'''


#如果想要实现深copy，就需要使用copy模块
'''
import copy
students_01 = ['stu1','stu2','stu3','stu4','stu5']
students_01[0] = ['test01','test02']
#students_02 = copy.copy(students_01)                #这样copy和上面的方法类似！！没啥区别
students_02 = copy.deepcopy(students_01)
print('---1---',students_01,'\n',students_02)
students_01[0][0] = 'test1111111'
print('---2---',students_01,'\n',students_02)        #这样copy的话，copy之后，子列表的元素被修改，students_02也不会被修改！
'''

#浅copy的另外实现方式
'''
import copy
students_01 = ['stu1','stu2','stu3','stu4',[100,200,300]]
print(students_01)
students_02 = copy.copy(students_01)
students_03 = students_01[:]
students_04 = list(students_01)
print(students_02,'\n',students_03,'\n',students_04)
#浅copy的用户，创建联合账号，关联账号
information_family = ['成员',['存款',10000]]
family_member_1 = information_family[:]
family_member_2 = copy.copy(information_family)
family_member_1[1][1] = 10000-5000
print(family_member_1)
print(family_member_2)  #成员看到的信息是一致的
'''

'''
b = 1
a = b
b = 2
print('a=',a,'b=',b)    #a=1,b=2

c = [1,2,3]
d = c
c[1] = 4567
print(c,d)              #a=[1, 4567, 3],b=[1, 4567, 3] 有点差别哟
'''

'''
students_01 = ['stu1','stu2','stu3','stu4','stu5']
print(students_01[::2])
print(students_01[:-1:2])
print(students_01[0:-1:2])
for i in students_01:
    print(i)
'''

#元组！！！tuple  tuple
#元组！！！tuple  tuple
#元组！！！元组就是只读行列表！！！一旦创建，不能修改
'''
students = ('stu1','stu2','stu3','stu4','stu5')
print(students.count('stu1'),students.count('stu3'))
print(students.index('stu1'))
'''

students = ['stu1','stu2','stu3','stu4','stu5']
students.insert(1,[1,2])
print(students)