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1. Read a Text File

Assignment: Write a program to read a text file and print its contents.

Example Output:

Contents of the file:
Hello, this is a sample text file.
It contains multiple lines.

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2. Write to a Text File

Assignment: Write a program that creates a text file and writes some lines of text into it.

Example Output:

File 'output.txt' created and written successfully.

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3. Append to a Text File

Assignment: Write a program to append new text to an existing text file.

Example Output:

New text appended to 'output.txt' successfully.

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4. Copy a File

Assignment: Create a program that copies the contents of one file to another.

Example Output:

File 'source.txt' copied to 'destination.txt' successfully.

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5. Move a File

Assignment: Write a program to move a file from one directory to another.

Example Output:

File 'document.txt' moved to 'backup/' successfully.

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6. Delete a File

Assignment: Create a program that deletes a specified file.

Example Output:

File 'old_file.txt' deleted successfully.

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7. List Files in a Directory

Assignment: Write a program that lists all files in a specified directory.

Example Output:

Files in 'my_directory':
- file1.txt
- file2.txt
- image.png

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8. Count Lines in a File

Assignment: Create a program that counts the number of lines in a text file.

Example Output:

The file 'sample.txt' has 15 lines.

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9. Count Words in a File

Assignment: Write a program that counts the number of words in a text file.

Example Output:

The file 'sample.txt' contains 120 words.

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10. Count Characters in a File

Assignment: Create a program that counts the number of characters in a text file.

Example Output:

The file 'sample.txt' contains 540 characters.

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11. Search for a Word in a File

Assignment: Write a program that searches for a specific word in a text file and prints the line number(s) where it occurs.

Example Output:

The word 'example' found in 'sample.txt' at line(s): 3, 7, 12.

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12. Replace Text in a File

Assignment: Create a program that replaces all occurrences of a specified word in a text file.

Example Output:

All occurrences of 'old_word' replaced with 'new_word' in 'sample.txt'.

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13. Create a Directory

Assignment: Write a program that creates a new directory.

Example Output:

Directory 'new_folder' created successfully.

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14. Rename a File

Assignment: Create a program that renames a specified file.

Example Output:

File 'old_name.txt' renamed to 'new_name.txt' successfully.

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15. Check if a File Exists

Assignment: Write a program to check if a specified file exists and print the result.

Example Output:

The file 'sample.txt' exists.

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16. Read a CSV File

Assignment: Create a program that reads and prints the contents of a CSV file.

Example Output:

Contents of 'data.csv':
Name, Age, City
John, 25, New York
Doe, 30, Los Angeles

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17. Write to a CSV File

Assignment: Write a program that creates a CSV file and writes data into it.

Example Output:

File 'output.csv' created and written successfully.

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18. Append to a CSV File

Assignment: Write a program to append a new row to an existing CSV file.

Example Output:

New row added to 'data.csv' successfully.

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19. Read JSON File

Assignment: Create a program that reads and prints the contents of a JSON file.

Example Output:

Contents of 'data.json':
{
  "name": "John",
  "age": 30,
  "city": "New York"
}

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20. Write to a JSON File

Assignment: Write a program that creates a JSON file and writes data into it.

Example Output:

File 'output.json' created and written successfully.

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21. Update a JSON File

Assignment: Write a program that updates an existing JSON file with new data.

Example Output:

JSON file 'data.json' updated successfully.

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22. Delete a Directory

Assignment: Create a program that deletes an empty directory.

Example Output:

Directory 'old_folder' deleted successfully.

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23. Find and Replace in a File

Assignment: Write a program that finds and replaces a string in a file.

Example Output:

String 'find_this' replaced with 'replace_with' in 'file.txt'.

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24. Write Log Messages to a File

Assignment: Create a program that logs messages to a log file with timestamps.

Example Output:

Log message 'File processed successfully' added to 'log.txt'.

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25. Read a Binary File

Assignment: Write a program that reads a binary file and prints the byte values.

Example Output:

Bytes in 'image.jpg':
[255, 216, 255, ...]

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26. Convert Text File to Uppercase

Assignment: Create a program that converts all text in a file to uppercase.

Example Output:

All text in 'sample.txt' converted to uppercase and saved.

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27. Convert Text File to Lowercase

Assignment: Write a program that converts all text in a file to lowercase.

Example Output:

All text in 'sample.txt' converted to lowercase and saved.

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28. Extract Unique Lines from a File

Assignment: Create a program that extracts unique lines from a text file and saves them to a new file.

Example Output:

Unique lines extracted to 'unique_lines.txt'.

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29. Merge Multiple Files

Assignment: Write a program that merges multiple text files into a single file.

Example Output:

Files 'file1.txt', 'file2.txt', 'file3.txt' merged into 'merged.txt' successfully.

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30. Split a File into Smaller Files

Assignment: Create a program that splits a large file into smaller files of specified size.

Example Output:

File 'large_file.txt' split into 3 smaller files.

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31. Create a Summary of a Text File

Assignment: Write a program that summarizes the contents of a text file by counting words, lines, and characters.

Example Output:

Summary of 'sample.txt':
- Lines: 15
- Words: 120
- Characters: 540

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32. Find Largest and Smallest Files in a Directory

Assignment: Create a program that finds and displays the largest and smallest files in a specified directory.

Example Output:

Largest file: 'big_file.txt' (2 MB)
Smallest file: 'small_file.txt' (100 KB)

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33. Create a File Backup

Assignment: Write a program that creates a backup copy of a specified file.

Example Output:

Backup of 'document.txt' created as 'document_backup.txt'.

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34. Check File Permissions

Assignment: Create a program that checks and prints the permissions of a specified file.

Example Output:

Permissions for 'script.py':
Read: Yes
Write: Yes
Execute: No

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35. Search for Files by Extension

Assignment: Write a program that searches for files with a specific extension in a directory.

Example Output:

Files with '.txt' extension in 'my_directory':
- file1.txt
- file2.txt

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36. Extract Emails from a Text File

Assignment: Create a program that extracts all email addresses from a text file and saves them to another file.

Example Output:

Emails extracted to 'emails.txt'.

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37. Remove Empty Lines from a File

Assignment: Write a program that removes all empty lines from a text file.

Example Output:

Empty lines removed from 'sample.txt'.

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38. Convert Line Endings in a File

Assignment: Create a program that converts Windows line endings to Unix line endings in a text file.

Example Output:

Line endings in 'file.txt' converted to Unix format.

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39. Create a CSV Summary Report

Assignment: Write a program that generates a summary report from a CSV file.

Example Output:

Summary report generated for 'data.csv':
Total Entries: 100
Average Age: 30.5

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40. Validate JSON Format

Assignment: Create a program that checks if a JSON file is properly formatted.

Example Output:

The JSON file 'data.json' is valid.

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41. Read XML File

Assignment: Write a program that reads and prints the contents of an XML file.

Example Output:

Contents of 'data.xml':
<person>
  <name>John</name>
  <age>30</age>
</person>

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42. Write XML File

Assignment: Create a program that writes data to an XML file.

Example Output:

XML file 'output.xml' created and written successfully.

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43. Extract Data from XML File

Assignment: Write a program that extracts specific data from an XML file.

Example Output:

Name: John
Age: 30

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44. Check Disk Space Usage

Assignment: Create a program that checks and prints the available disk space on the system.

Example Output:

Available disk space: 200 GB

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45. Monitor File Changes

Assignment: Write a program that monitors a file for changes and logs them.

Example Output:

File 'watched_file.txt' has been modified.

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46. Create a File Tree Structure

Assignment: Create a program that generates a tree structure of files and directories.

Example Output:

Directory Structure:
- my_directory
  - file1.txt
  - sub_folder
    - file2.txt

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47. Encrypt and Decrypt a File

Assignment: Write a program that encrypts a file and then decrypts it.

Example Output:

File 'secret.txt' encrypted and saved as 'secret.enc'.
File 'secret.enc' decrypted back to 'secret.txt'.

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48. Generate a Random File Name

Assignment: Create a program that generates a random file name for saving a file.

Example Output:

Generated file name: 'file_abc123.txt'

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49. Backup Multiple Files

Assignment: Write a program that creates backups of multiple specified files.

Example Output:

Backup of files created:
- file1.txt -> file1_backup.txt
- file2.txt -> file2_backup.txt

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50. Sync Two Directories

Assignment: Create a program that synchronizes two directories, copying new and updated files.

Example Output:

Directories synchronized successfully. 3 files copied.

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