save project

diy.py

@@ -3,3 +3,12 @@ file1=open(r"D:\test1.txt","a",encoding="utf-8")
 file1.write("\n")
 file1.write("\n")
 file1.write("小兰:12本,小丽：11本,李文：9本,张伟：16本")
 file1.write("小兰:12本,小丽：11本,李文：9本,张伟：16本")
 file1.close()
 file1.close()
+
+with open(r"D:\test1.txt","r",encoding="utf-8") as file1:
+    for data in file1:
+        if "小强:10本" in data:
+            print("小强在数据中")
+        else:
+            print("没有小强")
+        if "小兰:12本" in data:
+            print("小兰在数据中")   
\ No newline at end of file