save project

diy.py

 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
-with open(r'C:\Users\CDLX\Desktop\DDD.txt','r',encoding='uft-8') as file1:
\ No newline at end of file
+new_data=''
+with open(r'C:\Users\CDLX\Desktop\DDD.txt','r',encoding='uft-8') as file1:
+    for data in file1:
+        if'SSS'in data:
+            data=data.replace('SSS','sss')
+        if 'DDD' in data:
+            data=data.replace('DDD','ddd')
+        new_data +=data
+
+with open(r'C:\Users\CDLX\Desktop\DDD.txt','r',encoding='uft-8') as file1:
+    file.write(new_data)
+
+with open(r'C:\Users\CDLX\Desktop\DDD.txt','r',encoding='uft-8') as file1:
+    a=file1.read()
+    print(a)

hello.py

+print("hello word")
\ No newline at end of file