Random String Generator

Generate a random string of specified length using letters and digits.

Technology Stack : Built-in libraries: string, random

Code Type : Function

Code Difficulty : Intermediate

                
                    
import random
import string
import datetime
import json
import hashlib
import re
import math
import os
import sys

def generate_random_string(length):
    """
    Generate a random string of specified length using letters and digits.
    """
    if not isinstance(length, int) or length <= 0:
        raise ValueError("Length must be a positive integer")
    characters = string.ascii_letters + string.digits
    return ''.join(random.choice(characters) for i in range(length))