save project

diy.py

+# c
+#     fale2.write('小兰：12本\n')
+#     fale2.write('小丽：11本\n')
+#     fale2.write('李文：9本\n')
+#     fale2.write('张伟：16本\n')
+new_data=''
+with open(r"C:\Users\21901\Desktop\test.txt",'r',encoding='utf-8') as file2:
+    for data in file2:
+        if '李文：9本' in data:
+            data = data.replace('李文9本','李文11本')
+        new_data+=data
+with open(r"C:\Users\21901\Desktop\test.txt",'w',encoding='utf-8') as file2:
+    file2.write(new_data)
+
+