save project

1.py

+import turtle
+screen=turtle.Screen()
+screen.bgcolor("black")
+pen=turtle.Pen()
+color=["red","orange","yellow","green"]
+for i in range(1,300):
+    pen.pencolor(color[i%4])
+    pen.forward(i)
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
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2.py

+i=8
+j=9
+print(i,"*",j,"=",(i*j))
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diy1.py

-i=5
-username = "try"    # 保存在服务器数据库中的用户账号（正确的账号）
-userpassword = "try661969"
-while True:
-    print("温馨提示:您还有"+str(i)+"次机会")
-    if i>0:  
-        name=input("请输入用户名:")
-    # 请用input()实现用户输入账号、密码的功能
-        password=input("请输入密码:")
-        i-=1
-        if name==username and password==userpassword:
-            break
-        if name!=username:
-            print("用户名错误")
-            continue
-        if password!=userpassword:
-            print("密码错误")
-    else:
-        print("你的账户已被冻结")
-        exit()
-print("登陆成功")
-print("欢迎来到贝尔编程")
-# 如果用户输入的账号、密码正确，提示登陆成功
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