坐标移动

import sys
class PositionActor():
def init(self, moving_str):
self.moving = moving_str
self.position = [0, 0]
self.action = ['a', 'd', 'w', 's']

def go_left(self, moving):
    self.position[0] -= moving

def go_right(self, moving):
    self.position[0] += moving

def go_up(self, moving):
    self.position[1] += moving

def go_down(self, moving):
    self.position[1] -= moving

def run_moving(self):
    all_steps = self.moving.split(';')
    for per_step in all_steps:
        if len(per_step) == 0:
            continue

        if len(per_step) > 3:
            print(per_step)
            continue

        if per_step[0].lower() not in self.action:
            continue

        if per_step[1:].isdigit():
            moving = int(per_step[1:])
        else:
            continue

        if per_step[0].lower() == 'a':
            self.go_left(moving)
        elif per_step[0].lower() == 'd':
            self.go_right(moving)
        elif per_step[0].lower() == 'w':
            self.go_up(moving)
        elif per_step[0].lower() == 's':
            self.go_down(moving)

def main():
while True:
all_steps = sys.stdin.strip()
if all_steps == '':
break
action_instance = PositionActor(all_steps)
action_instance.run_moving()
print(action_instance.position[0], end=',')
print(action_instance.position[1])

main()