save project

diy1.py

-# 利用write()帮助悟空给诺依回信吧~
-import turtle
-screen=turtle.Screen()
-screen.bgcolor("light green")
-pen=turtle.Pen()
-pen.penup()
-pen.goto(-100,0)
-pen.write("诺依,turtle真好用,\n我会在画布上写字啦！",
-        font=("Times",20,"normal"))
-pen1=turtle.Pen()
-pen1.pensize(5)
-pen1.pencolor("red")
-pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
-pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
-pen1.hideturtle()
-turtle.done()
+username="123"
+userpassword="123456"
+while True:
+        name=input("请输入用户名")
+        password=input("请输入密码")
+        if name==username and password==userpassword:
+                print("登陆成功")
+                break
+        if name!=username:
+                print("用户名不存在，请重新输入！")
+                continue        
+        if name!=userpassword:
+                print("密码输入有误，请重新输入！")
+print("欢迎来到贝尔编程！")
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hhh.py

+for i in range(1,10):
+    for j in range(1,i+1):
+        print(i,'*',j,'=',(i*j),end=' ')
+    print( )
\ No newline at end of file

jntm.py

+import turtle
+pen=turtle.Pen()
+color=["blue","red","orange","yellow"]
+for sb in range(300):
+    pen.forward(sb)
+    pen.pencolor(color[sb%4])
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
\ No newline at end of file