List of articles

• Preface
• One 、 Screenshot of the problem
• Two 、 Screenshot of question answer
• 3、 ... and 、 Code display
• Question link

Preface

        It needs to be completed recently Python Advanced task of the introductory skill tree —— Please answer in the Q & a community 5 individual Python Questions and adopted , I am so worried about this task ！ I open the web page , Then click on the first question . I found that someone answered and adopted . Although I lost a chance to answer , But I think this problem is very good . So I ran through the code in the problem .

One 、 Screenshot of the problem

Two 、 Screenshot of question answer

3、 ... and 、 Code display

import turtle as t
for i in range(20,100,20):
t.penup()
t.goto(0,-i)
t.pendown()
t.circle(i)
t.done()

Question link

Please click this paragraph , You can see python turtle Library drawing graphics this problem .