int.sum_digits()

requirements.txt

@@ -1,5 +1,6 @@
 bs4~=0.0.1
 beautifulsoup4==4.11.1
 fishhook~=0.2.5
+pygame~=2.4.0
 requests==2.28.1
 setuptools==65.6.3

tools/tools.py

@@ -183,4 +183,15 @@ def intersection(self, *args) -> str:
 
 @hook(str)
 def __and__(self, *args) -> str:
-    return self.intersection(*args)
+    return self.intersection(*args)
+
+
+@hook(int)
+def sum_digits(self) -> int:
+    s = 0
+    num = self
+    while num > 0:
+        s += num % 10
+        num //= 10
+
+    return s