save project

1.py

+import turtle
+pen=turtle.Pen()
+a=int(input("请输入一个数字"))
+if a%2==1:
+    pen.circle(a)
+else:
+    pen.circle(a,6)
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diy2.py

+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=i-1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if username != name:
+            print("用户名不存在，请重新输入。")
+            print("您还有"+str(i)+"次机会")
+            continue
+        if userpassword != password:
+            print("密码错误，请重新输入。")
+            print("您还有"+str(i)+"次机会")
+    else:
+        print("你的账号已被锁定，请一天后再来。")
+        exit()
+print("欢迎来到贝尔编程!")
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