How to create a list and add elements to the list in python_python

Below I will share with you an implementation method of creating a list and adding elements to the list in python. It has a good reference value and I hope it will be helpful to everyone. Let’s take a look together

Today’s learning content is related to lists in Python.

1. Create a list

1. Create a normal list

>>> tabulation1 = ['大圣','天蓬','卷帘']
>>> tabulation1
['大圣', '天蓬', '卷帘']

>>> tabulation2 = [72,36,18]
>>> tabulation2
[72, 36, 18]

2. Create a mixed list

>>> mix tabulation = ['大圣',72,'天蓬',36]
SyntaxError: invalid syntax
>>> mixtabulation = ['大圣',72,'天蓬',36]
>>> mixtabulation
['大圣', 72, '天蓬', 36]

3. Create an empty list

>>> empty = []
>>> empty
[]

The three methods are introduced to you. Next, if you want to add a list to the list What should I do when adding elements?

2. Add elements to the list

1.append

>>> tabulation1.append('紫霞')
>>> tabulation1
['大圣', '天蓬', '卷帘', '紫霞']

2.extend

>>> tabulation1.extend(['紫霞','青霞'])
>>> tabulation1
['大圣', '天蓬', '卷帘', '紫霞', '紫霞', '青霞']

Everyone needs to pay attention to how to use extend to expand the list. Yes, this method uses a list to expand the list instead of adding elements directly, so "[]" must be added to "()".

3.insert

>>> tabulation1.insert(1,'紫霞')
>>> tabulation1
['大圣', '紫霞', '天蓬', '卷帘', '紫霞', '紫霞', '青霞']

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