save project

diy1.py

-#定义一个函数sum_numbers()
-#要求这个函数能接收一个名为num的整型参数
-#要求这个函数能计算1+2+3+……+num的结果
-#def sum_numbers(num):
-    #if num==1:
-        #return 1
-    #sum=sum_numbers(num-1)+num
-    #return sum
-#result=sum_numbers(4)
-#print(result)
-#def f(n):
-    #if n==1:
-        #return 1
-    #s=f(n-1)*n
-    #return s
-#result=f(4)
-#print(result)
-def fune(n):
-    if n<=2:
-        return 1
-    result=fune(n-1)+fune(n-2)
-    return result
-f=fune(15)
-print(f)
+# #定义一个函数sum_numbers()
+# #要求这个函数能接收一个名为num的整型参数
+# #要求这个函数能计算1+2+3+……+num的结果
+# #def sum_numbers(num):
+#     #if num==1:
+#         #return 1
+#     #sum=sum_numbers(num-1)+num
+#     #return sum
+# #result=sum_numbers(4)
+# #print(result)
+# #def f(n):
+#     #if n==1:
+#         #return 1
+#     #s=f(n-1)*n
+#     #return s
+# #result=f(4)
+# #print(result)
+# def fune(n):
+#     if n<=2:
+#         return 1
+#     result=fune(n-1)+fune(n-2)
+#     return result
+# f=fune(15)
+import turtle
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+pen=turtle.Turtle()
+pen.color('sienna')
+w=turtle.Screen()
+w.bgcolor('wheat')
+pen.left(90)
+pen.up()
+pen.backward(150)
+pen.down()
+turtle.down()
+pen.forward(100)
+pen.right(30)
+pen.forward(50)
+pen.penup()
+pen.backward(50)
+pen.down()
+pen.left(60)
+pen.forward(50)
+pen.penup()
+pen.backward(50)
+pen.right(30)
+pen.backward(100)
+turtle.done()
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