<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def is_colliding(self, other):
 """Check to see if two AABoundingBoxes are colliding."""

        if isinstance(other, AABoundingBox):
            if self.rect.colliderect(other.rect):
                return True
            return False