python-白红宇

python

阅读量：4970 次

发布时间：2019-06-12

本文共 2368 字，大约阅读时间需要 7 分钟。

一.问候

print（'hello world'）

二.简单交互

name = input ('your name:')print('%s hello' %name)print('%s hello' %name

三.输入两个数字，并计算和

a1 = input('第一个数字:')a2 = input('第二个数字:')sum = float(a1)+float(a2)print(folat(sum))

四.一句话求和

print('两数之和%.1f' %(float(input('输入第一个数:'))+float(input('输入第二个数:'))))

五. 输入三角形边长，并计算面积

radius = float(input("输入R:"))area = float(3.1415 * radius * radius)print("面积:%.2f"%area)

六.画圆

import turtleturtle.pensize(1)turtle.cricle(10)turtle.cricle(20)

七.画五角星

import turtleturtle.bgcolor("red")turtle.color("yellow")turtle.fillcolor("yellow")turtle.begin_fill()turtle.forword(100)turtle.left(144)turtle.forword(100)turtle.left(144)turtle.forword(100)turtle.left(144)turtle.forword(100)turtle.left(144)turtle.forword(100)turtle.end_fill()

八.给五角星填充颜色

import turtleturtle.bgcolor('red')turtle.color('yellow')turtle.fillcolor('yellow')turtle.begin_fill()turtle.forward(100)turtle.right(144)turtle.forward(100)turtle.right(144)turtle.forward(100)turtle.right(144)turtle.forward(100)turtle.right(144)turtle.forward(100)turtle.end_fill()

9国旗

import turtleturtle.color('yellow')turtle.bgcolor('red')turtle.fillcolor('yellow')turtle.begin_fill()turtle.up()turtle.goto(-200,100)turtle.down()turtle.forward(150)turtle.right(144)turtle.forward(150)turtle.right(144)turtle.forward(150)turtle.right(144)turtle.forward(150)turtle.right(144)turtle.forward(150)turtle.end_fill()turtle.begin_fill()turtle.up()turtle.goto(-80,160)turtle.down()turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.end_fill()turtle.begin_fill()turtle.up()turtle.goto(-22,68)turtle.down()turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.end_fill()turtle.begin_fill()turtle.up()turtle.goto(-30,110)turtle.down()turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.end_fill()turtle.begin_fill()turtle.up()turtle.goto(-45,-10)turtle.down()turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.right(144)turtle.forward(50)turtle.end_fill()