text = open('text.txt','r',encoding='utf-8').read()
old,new = ['(',')',',','.'],['（','）','，','。']
def replace(old,new):
    data = ''
    for i in text:
        if i in old: #為什么這里要加個(gè)判斷了，因?yàn)榭梢詼p少計(jì)算量，不用每個(gè)都遍歷，符合條件才遍歷。
            for o,j in enumerate(old):
                if i == j:
                    i = new[o]
        data = '%s%s' % (data,i)
    print(data)
replace(old,new)