save project

diy.py

@@ -2,5 +2,7 @@
 # abc=open(r"C:\Users\XMBC\Desktop\test.txt",'w',encoding="utf-8")
 # abc.write("小兰：12本、小丽：11本、李文：9本、张伟：16本")
 # abc.close()
-with open(r"C:\Users\XMBC\Desktop\test.txt",'a',encoding="utf-8") as abc:
-    abc.write("小东：13本")
\ No newline at end of file
+with open(r"C:\Users\XMBC\Desktop\test.txt",'r',encoding="utf-8") as abc:
+    for a in abc:
+        if "小兰：12本" in a:
+            print("数据在里面")