The relationship between python tuples and lists_python tuples and lists_weixin_39576149’s blog

Slice view

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

print(names[1:3]) ##Slicing; regardless of the head and tail

print(names[0:3])

print(names[-1])

print(names[-2:])

print(names[:3])

print(names[0],names[2])

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘4Guyun’, ‘Xiangpeng’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’]

XuLiangChen

[‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’]

#ZhangYang Xiedi

Append

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

Insert

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘4Guyun’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

Replace

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

Delete

Method 1:

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

print(names)

#delete(three methods)

names. remove(‘ChenRonghua’)

#del names[1]=names. pop(1)

#names.pop(1)

print(names)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

[‘#ZhangYang’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

Method 2:

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

print(names)

#delete(three methods)

#names. remove(‘ChenRonghua’)

#del names[1]=names. pop(1)

del names[1]

#names.pop(1)

print(names)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

[‘#ZhangYang’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

Method Three:

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

print(names)

#delete(three methods)

#names. remove(‘ChenRonghua’)

#del names[1]=names. pop(1)

#del names[1]

names. pop(1)

print(names)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

[‘#ZhangYang’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

Find

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

print(names)

print(names. index(“Xiedi”))

print(names[names. index(“Xiedi”)])

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

2

Xiedi

Number

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

print(names)

print(‘ChenRonghua:’,names.count(“ChenRonghua”))

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

Chen Ronghua: 2

Clear

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

print(names)

names. clear()

print(names)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

[]

Order flipping and ASCII sorting

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

print(names)

names.reverse() ##order flip

print(names)

names.sort() #Flip in ASCII order

print(names)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

[‘LeiHaidong’, ‘XuLiangChen’, ‘ChenRonghua’, ‘Xiangpeng’, ‘XingZhiyu’, ‘Xiedi’, ‘ChenRonghua’, ‘#ZhangYang’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘ChenRonghua’, ‘LeiHaidong’, ‘Xiangpeng’, ‘Xiedi’, ‘XingZhiyu’, ‘XuLiangChen’]

Append list to list

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

print(names)

names2 = [1,2,3,4]

names. extend(names2)

print(names,names2)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’, 1, 2, 3, 4] [1, 2, 3, 4]

Delete list

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,”ChenRonghua”,”XuLiangChen”]

print(names)

names.append(‘LeiHaidong’)

names.insert(1,”ChenRonghua”)

names.insert(3,”XingZhiyu”)

names[2] =’Xiedi’

print(names)

names2 = [1,2,3,4]

names. extend(names2)

del names2

print(names,names2)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’]

Traceback (most recent call last):

[‘#ZhangYang’, ‘ChenRonghua’, ‘Xiedi’, ‘XingZhiyu’, ‘Xiangpeng’, ‘ChenRonghua’, ‘XuLiangChen’, ‘LeiHaidong’]

File “D:/PycharmProjects/zhuyouen/0403/names.py”, line 35, in

print(names,names2)

NameError: name ‘names2’ is not defined ——->Because there is no list ‘name2’, there is no definition

Slice view

Method 1:

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,[‘alex’,’jack’],”ChenRonghua”,”XuLiangChen”]

for i in range(1,6,2):

print(names[i])

print()

for i in names:

print(i)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

4Guyun

[‘alex’, ‘jack’]

XuLiangChen

#ZhangYang

4Guyun

Xiang Peng

[‘alex’, ‘jack’]

Chen Ronghua

XuLiangChen

Method 2:

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,[‘alex’,’jack’],”ChenRonghua”,”XuLiangChen”]

print(names)

print(names[0:-1:2])

print(names[::2])

print(names[1::2]

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘Xiangpeng’, ‘ChenRonghua’]

[‘#ZhangYang’, ‘Xiangpeng’, ‘ChenRonghua’]

[‘4Guyun’, [‘alex’, ‘jack’], ‘XuLiangChen’]

Copy

Method 1:

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,[‘alex’,’jack’],”ChenRonghua”,”XuLiangChen”]

name2 = names. copy()

print(names)

print(name2)

print()

names[2] = “Xiang Peng”

names[3][0] = “ALEX”

print(names)

print(name2)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiang Peng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

Method 2:

# author = “zhuyouen”

import copy

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,[‘alex’,’jack’],”ChenRonghua”,”XuLiangChen”]

name2 = copy. copy(names)

print(names)

print(name2)

print()

names[2] = “Xiang Peng”

names[3][0] = “ALEX”

print(names)

print(name2)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiang Peng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

Method Three:

# author = “zhuyouen”

import copy

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,[‘alex’,’jack’],”ChenRonghua”,”XuLiangChen”]

name2 = copy.deepcopy(names)

print(names)

print(name2)

print()

names[2] = “Xiang Peng”

names[3][0] = “ALEX”

print(names)

print(name2)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiang Peng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

Copy

# author = “zhuyouen”

##shallow copy

person=[‘name’,[‘saving’,100]]

”’

p1=copy.copy(person)

p2=person[:]

p3=list(person)

”’

p1=person[:]

p2=person[:]

p1[0]=’alex’

p2[0]=’fengjie’

p1[1][1]=50

print(p1)

print(p2)

names[3][0] = “ALEX”

print(names)

print(name2)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiang Peng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

Method 2:

# author = “zhuyouen”

import copy

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,[‘alex’,’jack’],”ChenRonghua”,”XuLiangChen”]

name2 = copy. copy(names)

print(names)

print(name2)

print()

names[2] = “Xiang Peng”

names[3][0] = “ALEX”

print(names)

print(name2)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiang Peng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

Method Three:

# author = “zhuyouen”

import copy

names = [“#ZhangYang”,”4Guyun”,”Xiangpeng”,[‘alex’,’jack’],”ChenRonghua”,”XuLiangChen”]

name2 = copy.deepcopy(names)

print(names)

print(name2)

print()

names[2] = “Xiang Peng”

names[3][0] = “ALEX”

print(names)

print(name2)

D:\python35\python.exe D:/PycharmProjects/zhuyouen/0403/names.py

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiang Peng’, [‘ALEX’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

[‘#ZhangYang’, ‘4Guyun’, ‘Xiangpeng’, [‘alex’, ‘jack’], ‘ChenRonghua’, ‘XuLiangChen’]

Copy

# author = “zhuyouen”

##shallow copy

person=[‘name’,[‘saving’,100]]

”’

p1=copy.copy(person)

p2=person[:]

p3=list(person)

”’

p1=person[:]

p2=person[:]

p1[0]=’alex’

p2[0]=’fengjie’

p1[1][1]=50

print(p1)

print(p2)