Python MD5 Hash Checker

import itertools
import hashlib

def md5_crack(target_hash, min_length, max_length):
    charset = [chr(i) for i in range(ord('a'), ord('z')+1)] + \
              [chr(i) for i in range(ord('A'), ord('Z')+1)] + \
              [chr(i) for i in range(ord('0'), ord('9')+1)] + \
              list('!@#$%^&*()_-+=[]{}|;:,.<>?')

    for length in range(min_length, max_length + 1):
        for attempt in itertools.product(charset, repeat=length):
            attempt_str = ''.join(attempt)
            if hashlib.md5(attempt_str.encode()).hexdigest() == target_hash:
                return attempt_str

    return None

target = '900150983cd24fb0d6963f7d28e17f72'  # MD5 hash of 'abc'
result = md5_crack(target, 1, 4)
if result:
    print(f"Password found: {result}")
else:
    print("Password not found within the specified range and character set.")