作业一：
安装完成Pycharm，然后打开Pycharm进入开发环境。创建Python File文件，然后输入print(“hello,world”)，然后单击运行。
作业二：
#绘制奥运五环
import turtle
turtle.width(5)
turtle.color(“blue”)
turtle.circle(50)
turtle.penup()
turtle.goto(110,0)
turtle.pendown()
turtle.color(“black”)
turtle.circle(50)
turtle.penup()
turtle.goto(220,0)
turtle.pendown()
turtle.color(“red”)
turtle.circle(50)
turtle.penup()
turtle.goto(55,-50)
turtle.pendown()
turtle.color(“yellow”)
turtle.circle(50)
turtle.penup()
turtle.goto(165,-50)
turtle.pendown()
turtle.color(“green”)
turtle.circle(50)
turtle.done()
运行结果如图：
作业三：
方法一：import turtle
turtle.width(2)
turtle.color(“red”)
turtle.goto(50, 0)
turtle.goto(50, 50)
turtle.goto(0, 50)
turtle.goto(0, 0)
turtle.penup()
turtle.goto(60, 0)
turtle.pendown()
turtle.goto(110, 0)
turtle.goto(110, 50)
turtle.goto(60, 50)
turtle.goto(60, 0)
turtle.penup()
turtle.goto(0, -10)
turtle.pendown()
turtle.goto(50, -10)
turtle.goto(50, -60)
turtle.goto(0, -60)
turtle.goto(0, -10)
turtle.penup()
turtle.goto(60, -10)
turtle.pendown()
turtle.goto(110, -10)
turtle.goto(110, -60)
turtle.goto(60, -60)
turtle.goto(60, -10)
turtle.done()
运行如图：
方法二：
import turtle
turtle.width(1)
turtle.color(“blue”)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.penup()
turtle.goto(110, 0)
turtle.pendown()
turtle.left(90)
turtle.color(“red”)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.penup()
turtle.goto(0, -10)
turtle.pendown()
turtle.left(90)
turtle.color(“green”)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.penup()
turtle.goto(110, -10)
turtle.pendown()
turtle.right(90)
turtle.color(“yellow”)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.right(90)
turtle.forward(100)
turtle.penup()
turtle.goto(110, -10)
turtle.pendown()
turtle.done()
结果如图：
