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diy2.py

-# 尝试编写func()函数输出斐波那契数列的第十五个数是什么？
-# 斐波那契数列：1，1，2，3，5，8，13，21，34，55……
-from time import time
-start_time = time()
-def func(n):
-    if n<=2:
-        return 1
-    a = func(n-1)+func(n-2)
-    return a
-print(func(39))
-end_time=time()
-result = end_time - start_time
-print("总耗时:",result)
- #调用函数并打印结果
+r=input("圆的半径：")
+R=2*r
+P=3.14
+L=2*P*r
+area=P*r*r
+print("圆的直径：",round(2,R))
+print("圆的周长：",round(2,L))
+print("圆的面积：",round(2,area))
 

diy3.py

+import turtle
+turtle.penup()
+turtle.goto(0,-200)
+turtle.pendown()
+turtle.circle(200)
+turtle.penup()
+turtle.goto(-100,50)
+turtle.pendown()
+turtle.fillcolor('blue')
+turtle.begin_fill()
+turtle.circle(20)
+turtle.end_fill()

diy4.py

+import turtle
+turtle.goto(-100,100)
+turtle.forward(200)
+turtle.right(90)
+turtle.forward(200)
+turtle.right(90)
+turtle.forward(200)
+turtle.right(90)
+turtle.forward(200)
+turtle.goto(0,0)
+turtle.pendown()
+turtle.fillcolor('red')
+turtle.begin_fill()
+turtle.circle(10)
+turtle.end_fill()
+turtle.done()

diy5.py

+import turtle
+turtle.penup()
+turtle.goto(-100,100)
+turtle.pendown()
+turtle.forward(200)
+turtle.right(90)
+turtle.forward(200)
+turtle.right(90)
+turtle.forward(200)
+turtle.right(90)
+turtle.forward(200)
+turtle.penup()
+turtle.goto(100,0)
+turtle.pendown()
+turtle.begin_fill()
+turtle.circle(100,steps=4)
+turtle.fillcolor("red")
+turtle.end_fill()
+turtle.hideturtle()
+turtle.done()
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diy6.py

+a=input("请输入乌龟爬行的速度:")
+v=int(a)
+b=100/v
+print("乌龟能够追上兔子所需的时间是：",b,"秒。")
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diy7.py

+import turtle
+turtle.circle(40)
+turtle.penup()
+turtle.goto(0,80)
+turtle.pendown()
+turtle.circle(40)
+turtle.penup()
+turtle.goto(80,80)
+turtle.pendown()
+turtle.circle(40)
+turtle.penup()
+turtle.goto(80,0)
+turtle.pendown()
+turtle.circle(40)
+turtle.done()
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diy8.py

+a=input("爸爸的身高：")
+b=input("妈妈的身高：")
+c=input("性别系数：")
+z=(a+b*c)/2
+print("孩子未来的身高：",z)
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