Home Backend Development Python Tutorial How to read files and output them in python

How to read files and output them in python

Apr 02, 2024 pm 06:21 PM
python

Python reads files and outputs

How to read files and output?

In Python, you can use the open() function to open a file, and then use the read() method to read the file contents.

Detailed steps:

  1. Open the file:

    file = open("my_file.txt", "r")
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    Among them:

  2. "my_file.txt" is the path of the file to be opened.
  3. "r" means opening the file in read-only mode.
  4. Read file content:

    file_content = file.read()
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    This line of code reads the entire file content into the file_content variable.

  5. Output file content:

    print(file_content)
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    This line of code will print the file content in the console.

  6. Close the file:

    file.close()
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    After reading the file, be sure to close the file to release resources.

Full example:

with open("my_file.txt", "r") as file:
    file_content = file.read()
    print(file_content)
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Use the with statement to simplify your code by automatically closing the file at the end of the block.

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