Python基础

Pycharm开发环境设置与熟悉。

练习基本输入输出：

print('你好,{}.'.format(name))

uprint(sys.argv)

库的使用方法：

import ...

from ... import ...

条件语句：

    if (abs(pos()))<1:

        break

循环语句：

for i in range(5):

while True:

函数定义：

def mygoto(x,y):

def drawjx(r):

综合练习：画一面五星红旗，将代码与运行截图发布博客交作业。

# -*- coding: UTF-8 -*-# -*-
import turtle
from turtle import *


def mygoto(x, y):
    turtle.up()
    turtle.goto(x, y)
    turtle.down()

turtle.bgcolor('red')
turtle.color('yellow')
turtle.fillcolor('yellow')
turtle.setup(600,400,100,100)
turtle.hideturtle()

turtle.up()
mygoto(-280,100)
turtle.down()

turtle.begin_fill()
for i in range(5):
        turtle.forward(80)
        turtle.right(144)
turtle.end_fill()

turtle.up()
mygoto(-180,170)
turtle.down()

turtle.begin_fill()
for i in range(5):
        turtle.forward(30)
        turtle.left(144)
turtle.end_fill()

turtle.up()
mygoto(-140,120)
turtle.down()

turtle.begin_fill()
for i in range(5):
        turtle.forward(30)
        turtle.left(144)
turtle.end_fill()

turtle.up()
mygoto(-140,70)
turtle.down()

turtle.begin_fill()
for i in range(5):
        turtle.forward(30)
        turtle.right(144)
turtle.end_fill()

turtle.up()
mygoto(-180,20)
turtle.down()

turtle.begin_fill()
for i in range(5):
        turtle.forward(30)
        turtle.left(144)
turtle.end_fill()

done()

def draw_star(a):
    turtle.begin_fill()
    for i in range(5):
        turtle.forward(a)
        turtle.right(144)
    turtle.end_fill()