


How to create a list and add elements to the list in python_python
Apr 04, 2018 pm 05:35 PMBelow 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']
Related recommendations:
##Python Detailed explanation of functions & methods in lists
Detailed explanation of Python list sorting methods reverse, sort, sorted
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