Random String Generator

This function generates a random string of specified length consisting of uppercase and lowercase letters.

Technology Stack : os, re, sys, time, json, math, random, string

Code Type : Function

Code Difficulty : Intermediate

                
                    
import os
import re
import sys
import time
import json
import math
import random
import string

def generate_random_string(length=10):
    if not isinstance(length, int) or length <= 0:
        raise ValueError("Length must be a positive integer")
    letters = string.ascii_letters
    return ''.join(random.choice(letters) for i in range(length))