save project

regb.py

+newdata=""
+with open(r"C:\Users\EDY\Desktop\diy.txt","r",encoding="utf-8") as file:
+    for data in file:
+        if "小" in data:
+            data=data.replace("小","大")
+        newdata+=data
+with open(r"C:\Users\EDY\Desktop\diy.txt","w",encoding="utf-8") as file2:
+    file2.write(newdata)
\ No newline at end of file