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'
-with open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8') as file1:
-    file1.write('小强:15本\n')
-    file1.write('小李:14本\n')
-    
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+# with open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8') as file1:
+    # file1.write('小强:15本\n')
+    # file1.write('小李:14本\n')with open(r'C:\Users\Administrator\Desktop\book.txt') 
+    with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8') as file1:
+        for data in file1:
+            if'小强:15本' in data:
+                print("小强数据在文件中")
+            if'小兰:12本' in data:
+                print("小兰数据在文件中")
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