CBSE Class 12 Computer Science Question 86 of 145

File Handling — Question 3

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Question 3

How is file open() function different from close() function?

Answer
open() functionclose() function
The open() function is used to open a file.The close() function is used to close a file object.
It creates a file object, which allows to perform various operations on the file, such as reading from it, writing to it, or appending data to it.When we're done working with a file, we should always close it using the close() function to free up system resources and prevent data loss.
The syntax is : file_objectname = open("filename", "mode")The syntax is : file.close()