auto save

1.py

+# #用递归的方式求1+2+3+4+5+6+n的和
+
+# def sum(n):
+#     if n = 1:
+#         return 1
+
+
+def sum_numbers(num):
+      # 递归的出口
+      if num == 1:
+           return 1
+
+      #  数字的累加
+      temp = sum_numbers(num - 1)
+      return num +temp
+result = sum_numbers(3)
+print(result)  
\ No newline at end of file

my_tree.py

@@ -6,6 +6,7 @@ import random
 
 
 pen = turtle.Turtle()
+pen.speed(0)
 pen.color('sienna')
 # 画布大小
 w = turtle.Screen()