save project

diy.py

+new_data=''
+with open(r'C:\Users\EDZ\Documents\lesson12-2\text.txt','r',encoding='UTF-8') as file:
+    for data in file:
+        if '烦得很:12' in data:
+            data.replace('烦得很:12本','烦得很:999')
+        new_data+=data
+with open(r'C:\Users\EDZ\Documents\lesson12-2\text.txt','w',encoding='UTF-8') as file:
+        file.write(new_data)
\ No newline at end of file

text.txt

+
+烦得很：12本
+房东电话:1000000本