save project

diy.py

+new_data='file.wite(new_data)'
+with open('r')
+a=file.read()
+print(a)
+with open(r"C:\Users\Administrator\Desktop\book.txt","r",encoding="utf-8")as file1:
+    for data in file1:
+        #print(data)
+        if "志远:7本" in data:
+            data=data.replace("志远:7本"，"志远:17本")
+        new_data+=data        
+
+with open(r"C:\Users\Administrator\Desktop\book.txt","w",encoding="utf-8")as file1:
+    file1.write(new_data)
+
+with open(r"C:\Users\Administrator\Desktop\book.txt","r",encoding="utf-8")as file1:
+    a=file1.read()
+    print(a)
+
+