坐标移动

def solve(cmds):
    x, y = 0, 0
    for cmd in str(cmds).split(';'):
        cmd = cmd.strip()
        if not cmd: continue
        d = cmd[0]
        try:
            n = int(cmd[1:])
        except:
            continue
        if d == 'A': x -= n
        elif d == 'D': x += n
        elif d == 'W': y += n
        elif d == 'S': y -= n
    print(f'{x},{y}')