题解 | #坐标移动#

a = input().split(';')
axis = [0,0]
move_dict1 = {'A': -1, 'D': 1, 'W': 0, 'S': 0}
move_dict2 = {'A': 0,  'D': 0, 'W': 1, 'S': -1}
for i in a:
    if not 2 <= len(i) <= 3:
        continue
    try:
        move = i[0]
        length = int(i[1:])
        axis[0] += move_dict1[move] * length
        axis[1] += move_dict2[move] * length
    except:
        continue
print('{},{}'.format(axis[0],axis[1]))

构造字典避免多个if判断