solves cows and bulls in python

Author: anishLearnsToCode

Diff for: README.md

@@ -89,7 +89,7 @@
 | 290 | [Word Pattern](https://leetcode.com/problems/word-pattern) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](https://github.com/anishLearnsToCode/leetcode-algorithms/blob/master/src/WordPattern.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/word_pattern.py) |
 | 292 | [Nim Game](https://leetcode.com/problems/nim-game) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](https://github.com/anishLearnsToCode/leetcode-algorithms/blob/master/src/NimGame.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/nim_game.py) |
 | 293 | 🔒 [Flip Game](https://leetcode.com/problems/flip-game) | Easy | |
-| 299 | [Bulls and Cows](https://leetcode.com/problems/bulls-and-cows) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](https://github.com/anishLearnsToCode/leetcode-algorithms/blob/master/src/BullsAndCows.java) |
+| 299 | [Bulls and Cows](https://leetcode.com/problems/bulls-and-cows) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](https://github.com/anishLearnsToCode/leetcode-algorithms/blob/master/src/BullsAndCows.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/bulls_and_cows.py) |
 | 303 | [Range Sum Query - Immutable](https://leetcode.com/problems/range-sum-query-immutable) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](https://github.com/anishLearnsToCode/leetcode-algorithms/blob/master/src/RangeSumQueryImmutable.java) |
 | 326 | [Power of Three](https://leetcode.com/problems/power-of-three) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](https://github.com/anishLearnsToCode/leetcode-algorithms/blob/master/src/PowerOfThree.java) |
 | 339 | [Nested List Weight Sum](https://leetcode.com/problems/nested-list-weight-sum) | Easy | |

Diff for: python/bulls_and_cows.py

@@ -0,0 +1,23 @@
+from string import digits
+from typing import Dict
+
+
+class Solution:
+    def get_digit_frequency(self, number: str) -> Dict[str, int]:
+        freq = {}
+        for digit in number:
+            freq[digit] = freq.get(digit, 0) + 1
+        return freq
+
+    def getHint(self, secret: str, guess: str) -> str:
+        bulls = {}
+        frequency_secret = self.get_digit_frequency(secret)
+        frequency_guess = self.get_digit_frequency(guess)
+        for s, g in zip(secret, guess):
+            if s == g:
+                bulls[s] = bulls.get(s, 0) + 1
+        total_bulls = sum(bulls.values())
+        total_cows = 0
+        for i in digits:
+            total_cows += min(frequency_secret.get(i, 0), frequency_guess.get(i, 0)) - bulls.get(i, 0)
+        return f'{total_bulls}A{total_cows}B'