auto save

2-4-diy1.py

+username = "python"
+userpassword = "123456"
+name = input("请输入用户名:")
+password = input("请输入密码:")
+if name == username and password == userpassword:
+    print("登录成功!")
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2-4-diy2.py

+username = "python"
+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("登录成功!")
+        break
+    print("用户名和密码错误!请重新输入")
+print("欢迎来到贝尔编程!")
\ No newline at end of file

debug.py

+import turtle
+pen= turtle.Pen()
+# 第一处错误是👇，没有创建画布screen
+screen=turtle.Screen()
+size=screen.textinput("提示","你想要多大的魔法阵呀？")
+# 第二处错误是没有转换数据类型，size是字符串，需要转换为整数或浮点，才可以传递给circle()的第一个参数
+len=int(size)    #可以转换为整数
+#len=float(size) #也可以转换为浮点数
+pen.circle(len)
+pen.circle(len,360,3)
+pen.circle(len,60)
+pen.circle(len,360,3)
+turtle.done()
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drawLove.py

+import turtle 
+#写字
+#pen=turtle.Pen()
+#pen.write("Hi，诺依~\n用python写电子贺卡真是太有趣啦~\n我也喜欢python~\n——悟空 ",font=("Times",18,"normal"))
+#pen.hideturtle()
+#画爱心
+pen1=turtle.Pen()
+pen1.pencolor("red")
+pen1.pensize(5)
+pen1.left(45)
+pen1.forward(100)
+pen1.circle(50,180)
+pen1.right(90)
+pen1.circle(50,180)
+pen1.forward(100)
+pen1.hideturtle()
+turtle.done()
\ No newline at end of file

loveVariable.py

+import turtle
+#背景颜色
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+#写字
+pen=turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("Hi，诺依~\n用python写电子贺卡真是太有趣啦~\n我也喜欢python~\n——悟空 ",font=("Times",20,"normal"))
+pen.hideturtle()
+#画爱心
+pen1=turtle.Pen()
+pen1.pencolor("red")
+pen1.pensize(5)
+#借助变量
+len=60
+pen1.left(45)
+pen1.forward(2*len)
+pen1.circle(len,180)
+pen1.right(90)
+pen1.circle(len, 180)
+pen1.forward(2*len)
+pen1.hideturtle()
+turtle.done()
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movePos.py

+import turtle 
+#背景颜色
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+#写字
+pen=turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("Hi，诺依~\n用python写电子贺卡真是太有趣啦~\n我也喜欢python~\n——悟空 ",font=("Times",20,"normal"))
+pen.hideturtle()
+#画爱心
+pen1=turtle.Pen()
+pen1.pencolor("red")
+pen1.pensize(5)
+pen1.left(45)
+pen1.forward(100)
+pen1.circle(50,180)
+pen1.right(90)
+pen1.circle(50, 180)
+pen1.forward(100)
+pen1.hideturtle()
+turtle.done()
\ No newline at end of file

popup.py

+import turtle
+#背景颜色
+screen=turtle.Screen()
+screen.bgcolor("light yellow")
+#写字
+pen=turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+pen.write("学学吃屎吧 ",font=("Times",30,"normal") )
+pen.hideturtle()
+#画爱心
+pen1=turtle.Pen()
+pen1.pencolor("blue")
+pen1.pensize(5)
+len=screen.textinput("提示", "你想要多大的爱心呀？")
+lovesize=int(len)
+pen1.left(45)
+pen1.forward(2*lovesize)
+pen1.circle(lovesize,180)
+pen1.right(90)
+pen1.circle(lovesize, 180)
+pen1.forward(2*lovesize)
+pen1.hideturtle()
+turtle.done()
\ No newline at end of file