with管理上下文
# # with open(文件路径,打开模式(rt/wt/at/rb/wb/ab),编码格式) as 变量名:
# # 变量名.read/write
# with open('test.txt','r',encoding='utf8') as fr:
# data = fr.read()
# print(data)
# name='胡桃'
# print(name)# 胡桃 #会在文件后加上
# # with open(文件路径,打开模式(rt/wt/at/rb/wb/ab),编码格式) as 变量名:
# # 变量名.read/write
# with open('test.txt','r',encoding='utf8') as fr:
# data = fr.read()
# print(data)
# name='胡桃'
# print(name)# 胡桃 #会在文件后加上