diff --git a/bug.py b/bug.py
index 69bea8e..330877c 100644
--- a/bug.py
+++ b/bug.py
@@ -1,6 +1,9 @@
-a=['华雄']
-b=['袁术','dr','wd','ffv']
-b.remove('ffv')
-a=['华雄']
-c=['bfgb','teerg']
-
+students = ["ww","ded","SB","gsdbfdrstgghftdgftjyffj"]
+students.remove("SB")
+print(students)
+students.append("屁股")
+print(students)
+red = students[0:2]
+blue = students[2:4]
+print(red)
+print(blue)
\ No newline at end of file
diff --git a/dfgzssgfdfgdvfgfgdh.py b/dfgzssgfdfgdvfgfgdh.py
new file mode 100644
index 0000000..4b4aae9
--- /dev/null
+++ b/dfgzssgfdfgdvfgfgdh.py
@@ -0,0 +1,2 @@
+my_list = [1,2,3,4,5,6,7,8,9,]
+print(len(my_list))
\ No newline at end of file