Update and rename stack_II.py to stack.py

Author: autistic-helper

stacks/stack_II.py renamed to stacks/stack.py

@@ -22,17 +22,10 @@ def pop(self) -> None:
             self.min = prior_min
             return val
 
-        return False
-        
     def top(self) -> int:
         if self.stack:
             return self.stack[-1][0]
-        
-        return False
 
     def get_min(self) -> int:
-        if self.stack:
-            return self.min
+        return self.min
 
-        return False
-