save project

aa.py

-# 利用write()帮助悟空给诺依回信吧~
-import turtle
-screen=turtle.Screen()
-len=screen.textinput("大小","你想要多大的爱心")
-size=int(len)
-pen=turtle.Pen()
-pen.penup()
-pen.goto(100,-100)
-pen.write("你好\n诺依.",font=("Times",30,"normal"))
-pen.hideturtle()
-pen1=turtle.Pen()
-pen.penup()
-pen.goto(100,-100)
-
-pen1.left(45)
-pen1.forward(size*2)
-pen1.circle(size,180)
-pen1.right(90)
-pen1.circle(size,180)
-pen1.forward(size*2)
-screen.bgcolor("blue")
-turtle.done()
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diy6.py

+username="python"
+userpassword="123456"
+while True:
+    name=input("用户名：")
+    password=input("密码：")
+    if username==name and userpassword==password:
+        print("登录成功")
+        break
+    elif username!=name:
+        print("用户名错误！请重新输入！")
+    else:
+        print("密码错误！请重新输入！")
+print("欢迎来到贝尔编程")
\ No newline at end of file

diy7.py

+i=3
+username="python"
+userpassword="123456"
+while True:
+    if i>0:
+        name=input("用户名：")
+        password=input("密码：")
+        if username==name and userpassword==password:
+            print("登录成功")
+            break
+        if username!=name:
+            print("用户名错误！请重新输入！")
+            continue
+        if userpassword!=password:
+            print("密码错误！请重新输入！")
+        i-=1
+    else:
+        print("你的账户已锁定，请来我司解锁。")
+        exit()
+print("欢迎来到贝尔编程")
\ No newline at end of file