save project

1.py

+new_data=''
+with open("C:\Users\dell\Desktopbook.txt"'r'encoding='utf-8')as,file 1:
+     for data in file:
+        if"小强:10本"in data
+           data=data。replace('小强:10','小强:14本')
+        if"小兰:12本"in data
+           data=data。replace('小兰:12','小兰:14本')
+        new_data+=data
+
+with open("C:\Users\dell\Desktopbook.txt"'w'encoding='utf-8')as,file 1:
+    file.write(new_data)
+
+with open("C:\Users\dell\Desktopbook.txt"'r'encoding='utf-8')as,file:
+    a=file 1.read()
+    print(a)
\ No newline at end of file