save project

func.py

 sb=open(r"C:\Users\CDLX\Desktop\book1.txt","w",encoding="utf-8")
 sb=open(r"C:\Users\CDLX\Desktop\book1.txt","w",encoding="utf-8")
-sb.write("小兰：12本\n")
+sb.write("小兰:12本\n")
 sb.write("小丽:11本\n")
 sb.write("小丽:11本\n")
 sb.write("李文:9本\n")
 sb.write("李文:9本\n")
 sb.write("张伟:16本\n")
 sb.write("张伟:16本\n")
 sb.close()
 sb.close()
 
 
 with open(r"C:\Users\CDLX\Desktop\book1.txt","a",encoding="utf-8") as bs:
 with open(r"C:\Users\CDLX\Desktop\book1.txt","a",encoding="utf-8") as bs:
-    bs.write("小强:10本")
-    bs.write("李明:15本")
+    bs.write("小强:10本\n")
+    bs.write("李明:15本\n")
 
 
 with open(r"C:\Users\CDLX\Desktop\book1.txt","r",encoding="utf-8") as bs:
 with open(r"C:\Users\CDLX\Desktop\book1.txt","r",encoding="utf-8") as bs:
     for i in bs:
     for i in bs:
-        if "小强:10本" in bs:
+        if "小强:10本" in i:
             print("sb")
             print("sb")
+        if "小兰:12本" in i:
+            print("bs")