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In the journey of learning Python, file operation is a very practical and essential skill. Whether it is data analysis or daily data processing, good file operation skills can make your programming journey smoother. Today, I will take you into the world of Python file operation, not only teaching you how to read and write files, but also sharing some tips to make your code more efficient and elegant.

1. The Art of Opening a File

In Python,open() The function is the key to reading and writing files. Using this function, you can specify the file name and the processing mode. There are many modes, including:

• 'r': Read-only mode
• 'w': Write mode, will overwrite the original file
• 'a': Append mode, the written data will be added to the end of the file
• 'r ': Read-write mode

file = open('example.txt', 'r')
content = file.read()
file.close()

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