03序列化模块 04加密模块 05 os sys 模块 06 collections 模块 # 03 序列化模块 # 网络传输数据:字节 bytes# 文件写入内容:bytes , str # dic = {'city':'柳州','sport':['篮球','滑板','游戏']}# s1 = str(dic)# print(s1,type(s1))# print(dic) # b1 = s1.encode('utf-8')# print(b1,type(b1))# s2 = b1.decode…