Basic data type (2), data type (2)

Basic data type (2), data type (2)
I. List

# Create a list # Method 1: name_list = [1, 2, 3, "reese", "neo"] print (name_list) # Method 2: v = list ([1, 2, 3, "reese", "neo"]) print (v)

Supported basic operations:

• Index
• Slice
• Modify
• Delete
• Loop
• Include

 

1. append

 

 

2. clear

 

 

3. copy

 

4. count

 

 

 

5. extend

 

 

6. index

 

7. insert

 

8. pop

 

 

9. remove

 

10. reverse

 

 

11. sort

 

 

Ii. yuanzu

# Create a ancestor #1: v = (1, 2, 3, 4) #2: v = tuple (1, 2, 4 ))

Basic operations:

• Index
• Slice
• Loop, iteratable object
• Conversion
• Primary elements of tuples cannot be deleted or modified.

 

 

3. Dictionary

Create a dictionary:

#1：v = {"name": "reese", "age": "18"}#2:v = dict({"name": "reese", "age": "18"})

Common Operations:

• Key-value pairs. The value in the dictionary can be any value.
• Boolean values, lists, and dictionaries cannot be keys of dictionaries.
• Dictionary disorder
• You can find the specified element by indexing.
• The dictionary supports del deletion.
• For Loop

1. fromkeys

 

 

2. get

 

 

3. setdefault

 

 

4. update