save project

diy.py

@@ -5,7 +5,12 @@
 # a.write('李文：9本\n')
 # a.write('张伟：16本\n')
 # a.close()
+new_b=""
 with open(r"c:\Users\Administrator\Desktop\新建文本文档 (2).txt","r",encoding="utf-8") as a1:
     for b in a1:
         if "小强：10本" in b:
-            print("他在，白说了！")
\ No newline at end of file
+            b=b.replace("小强","天怡")
+        new_b+=b
+with open(r"c:\Users\Administrator\Desktop\新建文本文档 (2).txt","w",encoding="utf-8") as a1:
+    a1.write(new_b)
+