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1. Read File2. Write File3. Append to File4. Read CSV File5. Write CSV File6. JSON Read7. JSON Write8. File Copy9. File Rename10. Read Binary File11. Write Binary File12. Count Words in File13. Count Lines in File14. Count Characters in File15. Search Substring in File16. Iterate File Lines17. File Metadata18. File Compression19. File Decompression20. Delete File

File Rename in Python

Rename a file using the os module.

BeginnerFile Handling ProgramsExample 9 of 20
file-rename.py
1# Program to rename a file
2

3import os
4

5old_name = input("Enter current filename: ")
6new_name = input("Enter new filename: ")
7

8try:
9    os.rename(old_name, new_name)
10    print(f"Renamed {old_name} to {new_name}")
11except FileNotFoundError:
12    print("File not found.")

Output

Enter current filename: old.txt
Enter new filename: new.txt
Renamed old.txt to new.txt

What's going on

os.rename changes the filename at the filesystem level, raising FileNotFoundError if the source is missing.

After this program

If the idea is still fuzzy, read Day 14: File Handling in the Python course. For a short check, try the Python quiz (300 questions). Stay with all 20 file handling programs, or see every topic on Python exercises.

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