save project

diy.py

@@ -9,10 +9,21 @@ with open(r'C:\Users\makcoo\Desktop\墨有余温.权威.txt',"a",encoding='utf-8
 file=open(r'C:\Users\makcoo\Desktop\墨有余温.权威.txt',"a",encoding='utf-8')
 file.write('张伟：16本')
 file.close()
+
+k=""
 file=open(r'C:\Users\makcoo\Desktop\墨有余温.权威.txt',"r",encoding='utf-8')
 for i in file:
     if "张伟" in i:
         print("在")
+        i=i.replace("张伟：16本","张伟：20本")
+    k+=i
+file.close()
+
+
+file=open(r'C:\Users\makcoo\Desktop\墨有余温.权威.txt','w',encoding='utf-8')
+file.write(k)
+file.close() 
+
 file=open(r'C:\Users\makcoo\Desktop\墨有余温.权威.txt',"r",encoding='utf-8')
 a=file.read()
 print(a)