auto save

k.py

+import random
+list=[1,2,3,4,5,6,7]
+a=random.choice(list)
+print(a)
\ No newline at end of file

s.py

+file=open(r'C:\Users\29018\Desktop\test.txt','w',encoding='utf-8')
+file.write('国庆节快乐')
+file.close()
+
+file=open(r'C:\Users\29018\Desktop\test.txt','r',encoding='utf-8')
+a=file.read()
+print(a)
+file.close()
+
+new_data=""
+file=open(r'C:\Users\29018\Desktop\test.txt','r',encoding='utf-8')
+for i in file:
+    if '国庆' in i:
+        new=i.replace('国庆','中秋')
+        new_data=new_data+new
+        print(new_data)
+
+        
+        
\ No newline at end of file

w.py

+file=open(r'C:\Users\29018\Desktop\test.txt','w',encoding='utf-8')
+file.write('国庆节快乐')
+file.close()
+
+file=open(r'C:\Users\29018\Desktop\test.txt','r',encoding='utf-8')
+a=file.read()
+print(a)
+file.close()
\ No newline at end of file