save project

20220102.py

+num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
+low=0
+high=len(num_list)-1
+fact_number=int(input('请问数字是什么???'))
+while low <= high:
+    middle=(low+high)//2
+    #print(fact_number)
+    if num_list[middle]==fact_number:
+        print('找到啦!!!','它是',num_list[middle])
+        #print(middle)
+        exit()
+    elif num_list[middle] < fact_number:
+        low=middle+1
+    else:
+        high = middle-1
+    
\ No newline at end of file

my_tree.py

@@ -23,7 +23,7 @@ def stick(londen):
             pen.pensize(londen/10)
             pen.pencolor('sienna')
 
-        angle=random.randint(1,30)
+        angle=random.randint(5,20)
         lenth=random.randint(1,15)
         pen.forward(londen)
         pen.right(angle)
@@ -43,5 +43,5 @@ def stick(londen):
     # pen.down()
 
 stick(70)
-
+#turtle.tracer(False)
 turtle.done()
\ No newline at end of file