auto save

diy.py

 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
+file1=open("C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf_8')
+file1.write('小兰:12本\n')
+file1.write('小丽:11本\n')
+file1.write('李文:9本\n')
+file1.write('张伟:16本\n')
+file1.close()
+# file1=open("C:\\Users\\Administrator\\Desktop\\test.txt",'a',encoding='utf_8')
+# file1.write('小兰:12本')
+# with open("C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf_8') as file1:
+    # a=filel.read()
+    # print(a)
+    # for data in file1:
+    #     if '小丽:10本' in data:
+    #         print('小丽数据在文件夹里')
+    #     if '小兰：12本' in data:
+    #         print('小兰数据在文件夹里')
\ No newline at end of file

txt.py

+file1=open("C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf_8')
+file1.write('小兰:12本')
\ No newline at end of file