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'
-file= open(r'C:\Users\Administrator\Desktop\123.txt','a',encoding='utf-8')
-file.write('李明:15本\n')
-file.write('小强:1o本\n')
-file.close()
-with open(r'C:\Users\Administrator\Desktop\123.txt','a',encoding='utf-8') as
-    file.write('李明:15本\n')
-    file.write('小强:1o.本\n')
+#file= open(r'C:\Users\Administrator\Desktop\123.txt','a',encoding='utf-8')
+#file.write('李明:15本\n')
+#file.write('小强:1o本\n')
+#file.close()
+with open(r'C:\Users\Administrator\Desktop\123.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if'小强:10本'in data:
+            print('数据在文件中')