from collections import defaultdict


def largest_palindrome(max_factor, min_factor=0):
    return _palindromes(max_factor, min_factor, max)


def smallest_palindrome(max_factor, min_factor=0):
    return _palindromes(max_factor, min_factor, min)


def _palindromes(max_factor, min_factor, minmax):
    pals = defaultdict(set)

    for i in range(min_factor, max_factor+1):
        for j in range(min_factor, max_factor+1):
            p = i * j
            if is_palindrome(p):
                pals[p].add(tuple(sorted([i,j])))

    value = minmax(pals)
    factors = pals[value]
    return (value, factors)


def is_palindrome(n):
    return str(n) == str(n)[::-1]

import random
from collections import defaultdict


def largest_palindrome(max_factor, min_factor=0):
    return _palindromes(max_factor, min_factor, max)


def smallest_palindrome(max_factor, min_factor=0):
    return _palindromes(max_factor, min_factor, min)


def _palindromes(max_factor, min_factor, minmax):
    pals = defaultdict(set)

    for i in range(min_factor, max_factor+1):
        for j in range(min_factor, max_factor+1):
            p = i * j
            if is_palindrome(p):
                pals[p].add(tuple(sorted([i,j])))

    value = minmax(pals)
    factors = random.choice(list(pals[value]))
    return (value, factors)


def is_palindrome(n):
    return str(n) == str(n)[::-1]

Return a random set of factors
Return a random set of factors

+ import random
  from collections import defaultdict
  
  
  def largest_palindrome(max_factor, min_factor=0):
      return _palindromes(max_factor, min_factor, max)
  
  
  def smallest_palindrome(max_factor, min_factor=0):
      return _palindromes(max_factor, min_factor, min)
  
  
  def _palindromes(max_factor, min_factor, minmax):
      pals = defaultdict(set)
  
      for i in range(min_factor, max_factor+1):
          for j in range(min_factor, max_factor+1):
              p = i * j
              if is_palindrome(p):
                  pals[p].add(tuple(sorted([i,j])))
  
      value = minmax(pals)
-     factors = pals[value]
+     factors = random.choice(list(pals[value]))
      return (value, factors)
  
  
  def is_palindrome(n):
      return str(n) == str(n)[::-1]
  
Return a random set of factors
## Code Before:
from collections import defaultdict


def largest_palindrome(max_factor, min_factor=0):
    return _palindromes(max_factor, min_factor, max)


def smallest_palindrome(max_factor, min_factor=0):
    return _palindromes(max_factor, min_factor, min)


def _palindromes(max_factor, min_factor, minmax):
    pals = defaultdict(set)

    for i in range(min_factor, max_factor+1):
        for j in range(min_factor, max_factor+1):
            p = i * j
            if is_palindrome(p):
                pals[p].add(tuple(sorted([i,j])))

    value = minmax(pals)
    factors = pals[value]
    return (value, factors)


def is_palindrome(n):
    return str(n) == str(n)[::-1]

## Instruction:
Return a random set of factors
## Code After:
import random
from collections import defaultdict


def largest_palindrome(max_factor, min_factor=0):
    return _palindromes(max_factor, min_factor, max)


def smallest_palindrome(max_factor, min_factor=0):
    return _palindromes(max_factor, min_factor, min)


def _palindromes(max_factor, min_factor, minmax):
    pals = defaultdict(set)

    for i in range(min_factor, max_factor+1):
        for j in range(min_factor, max_factor+1):
            p = i * j
            if is_palindrome(p):
                pals[p].add(tuple(sorted([i,j])))

    value = minmax(pals)
    factors = random.choice(list(pals[value]))
    return (value, factors)


def is_palindrome(n):
    return str(n) == str(n)[::-1]
