auto save

0.py

+import turtle
+len=60
+pen=turtle.Pen()
+pen.left(45)
+pen.circle(len,180)
+pen.left(90)
+pen.forward(2*len)
+pen.left(90)
+pen.forward(2*len)
+pen.left(90)
+pen.circle(len,180)
+pen.hideturtle()
+turtle.done()
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1.py

+import turtle
+pen=turtle.Pen()
+a=60
+pen.penup()
+pen.forward(-100)
+pen.pendown()
+pen.left(90)
+pen.pensize(5)
+pen.color('blue')
+pen.circle(a)
+pen.right(90)
+pen.color('black')
+pen.penup()
+pen.forward(15)
+pen.pendown()
+pen.right(90)
+pen.circle(a)
+pen.left(90)
+pen.color('red')
+pen.penup()
+pen.forward(2*a+15)
+pen.pendown()
+pen.right(90)
+pen.circle(a)
+pen.penup()
+pen.color('yellow')
+pen.goto(-150,-80)
+pen.pendown()
+pen.circle(a)
+pen.penup()
+pen.goto(-15,-80)
+pen.color('green')
+pen.pendown()
+pen.circle(a)
+pen.hideturtle()
+turtle.done()
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2.py

+import turtle
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+pen=turtle.Pen()
+pen.penup()
+pen.goto(-100,0)
+text=screen.textinput("提示","你想对2020年说什么啊")
+pen.write(text,font=("Times",20,"hormal"))
+pen.hideturtle()
+turtle.done()
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3.py

+c=0
+while True:
+    print('c的值为：'+str(c))
+    if c==5:
+        c=c+1
+        continue
+    if c==10:
+        break
+    c+=1
+print('程序结束')
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5.py

+