save project

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……
-def func(n):
-    if n<=2:
-        return 1
-    elif n>2:
-        val = func(n-1)+func(n-2)
-
-        return val
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+import turtle
+pen=turtle.Pen()
+pen.color('sienna')
+w = turtle.Screen()
+w.bgcolor('wheat')
+pen.left(90)
+pen.up()
+pen.backward(150)
+pen.down()
+pen.forward(100)
+pen.right(30)
+pen.forward(50)
+pen.up()
+pen.backward(50)
+pen.down()
+pen.left(60)
+pen.forward(50)
+turtle.done()
\ No newline at end of file
-print(func(15)) #调用函数并打印结果
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