add function to calculate where the new snake body is with or with no tail based on the move that is taken

snakes/TemplateSnake.py

@@ -155,3 +155,17 @@ class TemplateSnake:
     self.avoid_walls()
     self.avoid_snakes()
     self.avoid_get_eaten_by_other_snakes()
+
+  def calculate_new_body_position(self, move:str=None, with_tail:bool=False):
+    if move:
+      head = self.get_possible_moves(self.my_head)[move]
+
+      body = [head]
+      body.extend(self.my_body)
+      body.pop()
+
+      if not with_tail:
+        body.pop()
+
+      return body
+    return move