这篇文章主要为大家展示了“怎么用Python画国家的国旗”，内容简而易懂，条理清晰，希望能够帮助大家解决疑惑，下面让小编带领大家一起研究并学习一下“怎么用Python画国家的国旗”这篇文章吧。

五星红旗是中华人民共和国的国旗，它是由四颗小的黄五角星环绕一颗大的黄五角星组成的，底色为红色，实现代码如下：

turtle.setup(600,400,0,0)turtle.bgcolor("red")turtle.fillcolor("yellow")turtle.color('yellow')turtle.speed(10)#主星turtle.begin_fill()turtle.up()turtle.goto(-280,100)turtle.down()foriinrange(5):turtle.forward(150)turtle.right(144)turtle.end_fill()#副星turtle.begin_fill()turtle.up()turtle.goto(-100,180)turtle.setheading(305)turtle.down()foriinrange(5):turtle.forward(50)turtle.left(144)turtle.end_fill()turtle.begin_fill()turtle.up()turtle.goto(-50,110)turtle.setheading(30)turtle.down()foriinrange(5):turtle.forward(50)turtle.right(144)turtle.end_fill()turtle.begin_fill()turtle.up()turtle.goto(-40,50)turtle.setheading(5)turtle.down()foriinrange(5):turtle.forward(50)turtle.right(144)turtle.end_fill()turtle.begin_fill()turtle.up()turtle.goto(-100,10)turtle.setheading(300)turtle.down()foriinrange(5):turtle.forward(50)turtle.left(144)turtle.end_fill()turtle.hideturtle()turtle.done()青天白日旗

青天白日旗是民国时期的国旗，旗面作蓝色以示青天，旗中置一射出叉光的白日图案，实现代码如下：

t.colormode(255)rcblue=(4,0,174)rcred=(254,0,0)defol(r):na=15/180*math.piol=2*r*math.cos(na)ol=int(round(ol))returnoldefloop(r):t.fd(ol(r))t.right(150)defmain0(a,b):t.color(rcred)t.penup()t.goto(-a/2,b/2)t.pendown()t.begin_fill()t.goto(-a/2,-b/2)t.goto(a/2,-b/2)t.goto(a/2,b/2)t.end_fill()t.penup()t.goto(-a/4,b/4)t.pendown()defmain1(a1,b1):t.color('gray',rcblue)t.penup()t.right(90)t.fd(b1/2)t.left(90)t.pendown()t.begin_fill()t.fd(a1/2)t.left(90)t.fd(b1)t.left(90)t.fd(a1)t.left(90)t.fd(b1)t.left(90)t.fd(a1/2)t.end_fill()t.penup()t.goto(-a/4,b/4)t.seth(0)t.pendown()defmain2(r):t.pensize=20t.color('white','white')t.penup()t.fd(r)t.right(180-30/2)t.pendown()t.begin_fill()foriinrange(12):loop(r)t.end_fill()t.penup()t.goto(-a/4,b/4)t.seth(0)t.pendown()defmain3(r1,r2):t.color(rcblue,rcblue)t.begin_fill()t.up()t.right(90)t.fd(r1)t.left(90)t.pd()t.circle(r1)t.end_fill()t.penup()t.goto(-a/4,b/4)t.pendown()t.color('white','white')t.begin_fill()t.pu()t.right(90)t.fd(r2)t.left(90)t.pd()t.circle(r2)t.end_fill()t.penup()t.goto(-a/4,b/4)t.seth(0)t.pendown()defmain(a,b):a1=a/2b1=b/2r=a1/4r2=a1/8r1=b1*17/80main0(a,b)main1(a1,b1)main2(r)main3(r1,r2)a=1020b=680t.setup(1100,700,100,0)红底白十字旗

红底白十字旗是瑞士的国旗，与其他国家有点不同，瑞士的国旗形状是正方形的，代表了该国坚守中立的政策，实现代码如下：

defdraw_crossshaped(aTurtle,width=0,height=0,color=None):aTurtle=turtle.Turtle()aTurtle.hideturtle()aTurtle.penup()aTurtle.goto(30,50)aTurtle.begin_fill()aTurtle.fillcolor(color)foriinrange(4):aTurtle.pendown()aTurtle.fd(width)aTurtle.rt(90)aTurtle.fd(height)aTurtle.rt(90)aTurtle.fd(width)aTurtle.lt(90)aTurtle.end_fill()defdraw_RQ(times=20.0):width,height=26*times,26*timeswindow=turtle.Screen()aTurtle=turtle.Turtle()aTurtle.hideturtle()aTurtle.speed(10)aTurtle.penup()aTurtle.goto(-width/2,height/2)aTurtle.pendown()aTurtle.begin_fill()aTurtle.fillcolor('red')aTurtle.fd(width)aTurtle.right(90)aTurtle.fd(height)aTurtle.right(90)aTurtle.fd(width)aTurtle.right(90)aTurtle.fd(height)aTurtle.right(90)aTurtle.end_fill()draw_crossshaped(aTurtle,width=80,height=80,color='white')window.exitonclick()星条旗

星条旗是美国的国旗，由两部分组成，旗的左上方蓝底上排列着 50 颗白色的星，其余部分是 13 道红白相间的条子，实现代码如下：

#画条纹defdrawSquar():turtle.color('black','red')turtle.begin_fill()foriinrange(7):turtle.forward(600)turtle.left(90)turtle.forward(350/13)turtle.left(90)turtle.forward(600)turtle.right(90)turtle.forward(350/13)turtle.right(90)turtle.end_fill()#画左上角的小矩形defdrawSmallsqure():turtle.color('blue')turtle.begin_fill()turtle.left(90)turtle.forward(350/2)turtle.left(90)turtle.forward(300)turtle.left(90)turtle.forward(350*7/13)turtle.left(90)turtle.forward(300)turtle.end_fill()#画左上角的星星defdrawSrarts():x=-10y=0forkinrange(4):x=-15foriinrange(6):turtle.goto(x,y)turtle.color('white')turtle.begin_fill()forjinrange(5):turtle.left(144)turtle.forward(20)x-=50turtle.end_fill()y+=350/13*2x=-10y=350/13foriinrange(3):x=-35forjinrange(5):turtle.goto(x,y)turtle.color('white')turtle.begin_fill()forkinrange(5):turtle.left(144)turtle.forward(20)x-=50turtle.end_fill()y+=350/13*2turtle.setup(0.8,0.8,-100,-100)turtle.speed(10)turtle.pu()turtle.forward(300)turtle.left(90)turtle.forward(350/2)turtle.left(90)drawSquar()turtle.home()drawSmallsqure()turtle.home()drawSrarts()turtle.hideturtle()turtle.done()

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