文件夹下图片全部重命名

import oss = os.sep  # s区分在linux或windows系统下的分割符"/"或"\"root = "./train"  # 文件路径# root = "F:\\theRoleOfCOde\深度学习\聊天模型\重新开始\success _2_ing\data\Robot"  # 文件路径sname = os.listdir(root)a = 0for f in sname:    if ".png" in f:        os.rename("./train/" + str(f), "./train/" + str(a) + '.png')        a += 1

文件一行行处理

with open('./ksize.txt') as txt:    data = txt.readline()    while data:        temp = []        data = data.split(" ")        if len(data) < 2:            break        temp.append(int(data[1]))        temp.append(int(data[2]))        temp.append(int(data[3]))        temp.append(int(data[4]))        y.append(temp)        data = txt.readline()