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Amongst which of the following is / are the key functions used for file handling in Python?

62. Amongst which of the following is / are the key functions used for file handling in Python?

1. open() and close()
2. read() and write()
3. append()
4. All of the mentioned above

Answer: D) All of the mentioned above

Explanation:

The key functions used for file handling in Python are: open(), close(), read(), write(), and append(). the open() function is used to open an existing file, close() function is used to close a file which opened, read() function is used when we want to read the contents from an existing file, write() function is used to write the contents in a file and append() function is used when we want to append the text or contents to a specific position in an existing file.