save project

diy.py

+file_new = ' '
+with open(r"C:\Users\丽达5号\Documents\lesson12-1\vicetone nb.txt",'r',encoding = 'utf-8') as file :
+    a = file.read()
+    for data in a:
+        if '小强:10本' in data :
+            print('在里面')
+            data.replace('小绿:10本','小强:11本')
+            file_new += data
+        else:
+            print('没这人,准备后事') 
+with open(r"C:\Users\丽达5号\Documents\lesson12-1\vicetone nb.txt",'w',encoding = 'utf-8') as file :
+    file.write(file_new)
\ No newline at end of file

diy.txt

+小兰:12本小丽:11本
\ No newline at end of file

ksajcsakcxhajschkahciu.txt

+小兰:12本小丽:11本
\ No newline at end of file