save project

diy.py

+with open(r'C:\Users\86177\Desktop\book.txt','r',encoding='utf-8') as file:
+   #file.write('C\n'),encodinfile.write('小丽：11本\n')   file.write('张伟：16本\n') file.write('李文：9本\n')
+    for data in file:
+        if'小强:10本'in data:
+            print('小强的数据在文件中')
+        if'小兰：12'in data:
+            print('小兰的数据在文件中')
+
+    
+
+    
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