save project

diy.py

+with open(r'C:\Users\CM\Desktop\book.txt','r',encoding='utf-8')
+    for data in file1:
+        if '小强:10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')
+
+new_data=''
+with open(r'C:\Users\CM\Desktop\book.txt','r',encoding='utf-8')
+for data in file1:
+    if '小强:10本'in data:
+        
+
+
+
+
+
+
+
+
+
+
+