python第二周练习

#请替换括号中的提示性文字使程序可运行

import turtle

turtle.pensize(3)
turtle.pencolor("yellow")
turtle.fillcolor("red")

turtle.begin_fill()
for i in range(5):
turtle.forward(100)
turtle.right(-75)
turtle.forward(100)
turtle.left(-147)
turtle.end_fill()

turtle.hideturtle() #隐藏画笔
turtle.done() #结束绘制

#同心圆.py
import turtle
r=eval(input())
num=eval(input())
c=input()
turtle.pencolor(c)
turtle.setup(700,700)
turtle.penup()
turtle.fd(-100)
turtle.pendown()
for i in range(num):
turtle.circle(r,360)
turtle.penup()
turtle.right(90)
turtle.fd(20)
turtle.left(90)
turtle.pendown()
r=r+20

#渐变的圆.py
import turtle
n=eval(input())
turtle.setup(700,700,100)
turtle.pensize(3)
turtle.pencolor("blue")
turtle.fillcolor("yellow")
turtle.forward(100)
for i in range(3,n):
turtle.circle(50, steps=i)
turtle.forward(100)
turtle.circle(50)

#叠加等边三角形.py
import turtle
turtle.setup(500,500,500)
turtle.penup()
turtle.fd(-200)
turtle.pendown()
for i in range(3):
turtle.fd(100)
turtle.left(120)
turtle.right(120)
for i in range(3):
turtle.fd(100)
turtle.left(120)
turtle.left(120)
turtle.fd(100)
turtle.right(120)
for i in range(3):
turtle.fd(100)
turtle.left(120)

#奥运五环.py
import turtle
turtle.setup(500,500)
turtle.pensize(5)
coordA=(-110,0,110,-55,55)
coordB=(-25,-25,-25,-75,-75)
color=("red","blue","green","yellow","black")
for i in range(5):
turtle.penup()
turtle.goto(coordA[i],coordB[i])
turtle.color(color[i])
turtle.pendown()
turtle.circle(45)

#太极.py
import turtle
turtle.setup(500,500)
turtle.penup()
turtle.fd(-200)
turtle.right(90)
turtle.pendown()
turtle.circle(200)
turtle.penup()
turtle.circle(200,90)
turtle.pendown()
turtle.color("black")
turtle.begin_fill()
turtle.circle(200,180)
turtle.end_fill()
turtle.penup()
turtle.left(90)
turtle.fd(400)
turtle.left(90)
turtle.begin_fill()
turtle.pendown()
turtle.circle(100)
turtle.end_fill()
turtle.color("white")
turtle.penup()
turtle.left(90)
turtle.fd(200)
turtle.right(90)
turtle.pendown()
turtle.begin_fill()
turtle.circle(100)
turtle.end_fill()
turtle.penup()
turtle.right(90)
turtle.fd(125)
turtle.left(90)
turtle.pendown()
turtle.begin_fill()
turtle.circle(25)
turtle.end_fill()
turtle.penup()
turtle.left(90)
turtle.fd(200)
turtle.right(90)
turtle.color("black")
turtle.pendown()
turtle.begin_fill()
turtle.circle(25)
turtle.end_fill()

#国际象棋.py
import turtle
n=int(input())
turtle.setup(700,700)
turtle.penup()
turtle.goto(-300,300)
turtle.pendown()
for i in range(4):
turtle.fd(n*8)
turtle.right(90)
turtle.color("black")
turtle.fd(n)
for i in range(2):#整盘
for i in range(4):#半盘
for i in range(4):#一行鸽子
turtle.begin_fill()
for i in range(4): #一个格子
turtle.fd(n)
turtle.right(90)
turtle.end_fill()
turtle.penup()
turtle.fd(2*n)
turtle.pendown()
turtle.penup()
turtle.fd(-8*n)
turtle.right(90)
turtle.fd(2*n)
turtle.left(90)
turtle.pendown()
turtle.fd(-n)
turtle.left(90)
turtle.fd(7*n)
turtle.right(90)

python第二周练习

原文：https://www.cnblogs.com/Lysim/p/12465386.html