Random Filename Generator with Extension

This function generates a random filename with a specified extension.

Technology Stack : os, sys, random

Code Type : Function

Code Difficulty : Intermediate

                
                    
import os
import sys
import random

def random_filename(ext="txt"):
    """Generate a random filename with a given extension.

    Args:
        ext (str, optional): The file extension. Defaults to "txt".

    Returns:
        str: A random filename.
    """
    characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
    filename = "".join(random.choice(characters) for _ in range(10)) + "." + ext
    return filename