6 essential Python functions for file handling:

🔹 open(): Opens a file and returns a file object. Essential for reading and writing files

🔹 read(): Reads the contents of a file

🔹 write(): Writes data to a file. Great for saving output

🔹 close(): Closes the file

🔹 with open(): Context manager for file operations. Ensures proper file handling

🔹 pd.read_excel(): Reads Excel files into a pandas DataFrame. Crucial for working with Excel data