Use Python’s built-in open() function to open files. It requires the file path and mode (read, write, append) as parameters. Example: file = open("example.txt", "r").
Common file modes include "r" for reading, "w" for writing (overwrites existing content), "a" for appending, and "r+" for both reading and writing. Choose the mode based on your task.
Use read(), readline(), or readlines() to fetch file content. read() reads the entire file, readline() reads one line at a time, and readlines() returns a list of lines.
To write data, open the file in "w" or "a" mode and use the write() or writelines() function. Be cautious with "w" mode, as it will overwrite the file's content.
After performing operations, always close the file using file.close(). This ensures that the system resources are freed and prevents file corruption.
Using with for File Handling The with statement simplifies file handling by automatically closing the file. Example: with open("example.txt", "r") as file: content = file.read(). For more tutorials, visit pythoncentral.io to enhance your Python skills.