diff --git a/1.py b/1.py
new file mode 100644
index 0000000..2e44c47
--- /dev/null
+++ b/1.py
@@ -0,0 +1,21 @@
+xitongname=weiguanghao
+xitongmima=111111
+i=0
+while True:
+    if i>0:
+        name=input("请输入账号")
+        mima=input("请输入密码")
+        i-=1
+        if xitongzhanghao==name and mima==xiotongmima:
+            print("恭喜您 登录成功")
+            break
+        if xitongzhanghao!=name:
+            print("账号错误")
+            print("您还可输入"+str(i)+"次")
+            continue
+        if xitongmima!=mima:
+            print("密码错误")
+            continue
+    else:
+        print("输入次数用尽)
+        exit()
diff --git a/2-4-diy5.py b/2-4-diy5.py
new file mode 100644
index 0000000..615d59e
--- /dev/null
+++ b/2-4-diy5.py
@@ -0,0 +1,23 @@
+i = 3
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i -= 1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name != username:
+            print("用户名错误,请重新输入!")
+            print("您还可以输入"+str(i)+"次")
+            continue
+        if password != userpassword:
+            print("密码输入有误,请重新输入!")
+            4X5Z5SADS
+            continue
+    else:
+        print("你的账户已被锁定，请一个小时以后再来")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file
diff --git a/3.py b/3.py
new file mode 100644
index 0000000..0850542
--- /dev/null
+++ b/3.py
@@ -0,0 +1,11 @@
+import turtle
+color=input("想要什么颜色的星星呢：")
+pen=turtle.Pen()
+pen.fillcolor(color)
+pen.begin_fill()
+pen.hideturtle()
+for i in range(5):
+    pen.forward(100)
+    pen.right(144)
+pen.end_fill()
+turtle.done()
\ No newline at end of file
diff --git a/4.py b/4.py
new file mode 100644
index 0000000..1da21d2
--- /dev/null
+++ b/4.py
@@ -0,0 +1,2 @@
+name=input("你叫什么呢：")
+print(name)
\ No newline at end of file