Python notes-data types & file operations

Data type
The length of the int standard
Float
Long integer, infinitely long
A = 2**31 2 times 31 Square
Type to view the data types of the data
Boolean: True or False 1 or 0

When the file is operating
With as Open file
ReadLines Read Multiple lines
The Strip () function is used to remove line breaks

Def
Master File judgment
Python's main function, Python index.py, is called through index.py internal
Automatically create variable if name = ' main':
such as Python objects
Objects are created based on classes, and everything is an object

Python notes-data types & file operations