save project

diy.py

+new_data=''
+with open(r'C:"C:\Users\Makcoo1\Desktop\book.txt','r'eenc='utef-8')as filel
+    for data in filel:
+        if '小强:10本' in data:
+            data=data.replace('小强:10','小强:11')
+        if '小兰:12本' in data:
+            data=data.replace('小兰:12','小兰:14')
+        new_data +=data
+
+with open(r'C:"C:\Users\Makcoo1\Desktop\book.txt','r'eenc='utef-8')as filel
+    filel.write(new_data)
+
+
+with open(r'C:"C:\Users\Makcoo1\Desktop\book.txt','r'eenc='utef-8')as filel
+    a=filel.read()
+    print(a)
\ No newline at end of file