save project

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'
 # 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'
-with open(r'c:\Users\bellcode\Desktop\myfile2.txt','a',encoding='utf-8') as file:
-    file.write('\n李明:12')
+with open(r'c:\Users\bellcode\Desktop\myfile2.txt','r',encoding='utf-8') as file:
+    a=file.read()
\ No newline at end of file
+    print(a)
\ No newline at end of file

diy2.py

+with open(r'c:\Users\bellcode\Desktop\myfile2.txt','r',encoding='utf-8') as file:
+    for i in file:
+        if '李明:12'in i:
+            print('数据在txt文件中')
\ No newline at end of file