file - Python how to read the file content and write it back to the original file after modification

Question

How Python reads the file content and writes it back to the original file after modification

漂亮男人 · Answer

Reference article: Issues related to Python file operations

Modify the file content and write back the original file

with open(filename) as f:
    file_str = f.read()
    
# do stuff with file_str

with open(filename, 'w') as f:
    f.write(file_str)