Python file Learning

Python file Learning Article Python file learning Open function

Basic usage Patterns: File_object=open (", access_mode= ' R ', Buffering=-1)
Several options for Access_mode

• ' R ': Read only;
• ' W ': write;
• ' A ': Append mode;
• ' B ': binary;
• ' U ': line break support;
• ' + ': represents readable and writable

There are also such as ' r+ ', ' w+ ', ' RB ', ' WB ', and so on, respectively, representing readable writable, readable writable, readable binary, writable binary.

Knowledge Points: Python is similar to the @ symbol in C #, using R, as follows:

FP = open (r" C : \io.txt ' ,  ' RB ' ) 

The function of Knowledge point 2:file is the same as open function, in the textbook example part, all open can be replaced by file. But the textbook suggests using open.

Python file Learning