feat: add Number of Different Integers in a String (#2595)

exercises/1000_programs/medium/1805_diff_integers.py

@@ -0,0 +1,27 @@
+def diff_integers_in_string(phrase: str) -> int:
+    """
+    Given a string phrase, return the number of different integers that appear in phrase. 
+
+    Args:
+        phrase (str): The input string.
+
+    Returns: 
+        int: The number of different integers that appear in phrase.
+
+    Example: 
+        Input: "Smithech ha resuelto el issue #2595"
+        Output: 3    
+    """
+    list_of_integers = set()
+
+    for char in phrase:
+        if char.isdigit():
+            list_of_integers.add(char)
+
+    return len(list_of_integers)
+
+if __name__ == "__main__":
+    example = "Smithech ha resuelto el issue #2595"
+    result = diff_integers_in_string(example)
+    print("Input: ", example)
+    print("Output: ", result)