save project

diy.py

@@ -2,8 +2,15 @@
 #a=open(r"C:\Users\maku\Desktop\不帅不叫杨哥.txt",'w',encoding='utf-8')
 #a.write('小兰：12本,小丽：11本,李文：9本,张伟：16本')
 #a.close()
+new_i=''
 with open(r"C:\Users\maku\Desktop\不帅不叫杨哥.txt",'r',encoding='utf-8') as a:
     for i in a:
         if '杨哥:999本' in i:
-            print('数据在文件里')
+            i=i.replace('杨哥:999本','杨哥:9999999本')
+        new_i +=i
+with open(r"C:\Users\maku\Desktop\不帅不叫杨哥.txt",'w',encoding='utf-8') as a:
+    a.write(new_i)
+with open(r"C:\Users\maku\Desktop\不帅不叫杨哥.txt",'r',encoding='utf-8') as a:
+    b=a.read()
+    print(b)