f = open('users.txt',encoding='utf-8') #读文件的时候,必须存在在才可以读
res = f.read()
print(res)
f.close()
fw = open('users',mode='a',encoding='utf-8')
fw.write('qiaomeiling,123456\n')
fw.close()
f = open('users.txt',encoding='utf-8') #读文件的时候,必须存在在才可以读
res = f.read()
print(res)
f.close()
fw = open('users',mode='a',encoding='utf-8')
fw.write('qiaomeiling,123456\n')
fw.close()