摘要: # 如果文件有很多行 with open('eg.txt',mode='r',encoding="utf-8") as file_object: for line in file_object: pass # 如果文件只有一行import osfile_size = os.path.getsize( 阅读全文
posted @ 2022-03-29 20:26 美丽小鱼 阅读(307) 评论(0) 推荐(0)
摘要: max_page_num, remainder = divmod(8, 3)if remainder: max_page_num += 1print(max_page_num,remainder) 阅读全文
posted @ 2022-03-28 15:58 美丽小鱼 阅读(46) 评论(0) 推荐(0)
摘要: import hashlibdef md5(origin, salt="ghjhfkasn,ijkll"): hash_object = hashlib.md5(salt.encode('utf-8')) hash_object.update(origin.encode('utf-8')) resu 阅读全文
posted @ 2022-03-26 12:52 美丽小鱼 阅读(20) 评论(0) 推荐(0)
摘要: data_list = [ '1-11 ceshi.mp4']result = sorted(data_list, key=lambda x: int(x.split(' ')[0].split("-")[-1]) )print(result) 阅读全文
posted @ 2022-03-24 19:32 美丽小鱼 阅读(29) 评论(0) 推荐(0)
摘要: import randomdef gen_random_num(max_count): counter = 0 while counter < max_count: yield random.randint(1000, 9999) counter += 1data_list = gen_random 阅读全文
posted @ 2022-03-24 16:50 美丽小鱼 阅读(33) 评论(0) 推荐(0)
摘要: import functoolsprint("第一回合".center(30,"*"))def func(): print("我是func函数") value = (11,22,33,44) return valuedef outer(origin): def inner(): print("bef 阅读全文
posted @ 2022-03-23 22:04 美丽小鱼 阅读(88) 评论(0) 推荐(0)
摘要: info = { "1":[11,22,33], "2":{"k1":123,"k2":456,"k3":999},}index = input("请输入编号:")value = info[index]if type(value) == list: for i in value: print(i)i 阅读全文
posted @ 2022-03-23 15:41 美丽小鱼 阅读(16) 评论(0) 推荐(0)
摘要: 如果定义一个函数,return返回多个值,则返回形式为元祖,即用括号括起来 阅读全文
posted @ 2022-03-22 21:29 美丽小鱼 阅读(240) 评论(0) 推荐(0)
摘要: 文件路径处理: base_dir = os.path.dirname(os.path.abspath(__file__))download_folder = os.path.join(base_dir, 'files', 'package')if not os.path.exists(downloa 阅读全文
posted @ 2022-03-20 17:47 美丽小鱼 阅读(46) 评论(0) 推荐(0)
摘要: 原来的实现方法: data_list = [11, 22, 33, 44, 55]for index in range(len(data_list)): print(index+1, data_list[index]) 新的实现方法: data_list = [11, 22, 33, 44, 55] 阅读全文
posted @ 2022-03-20 17:42 美丽小鱼 阅读(31) 评论(0) 推荐(0)