save project

binary_search.py

 # 使用二分查找法，找出9和20在列表里面的索引
-num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
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+# bingo_num = 20
+# num_list = [1, 3, 5, 8, 11, 15, 17, 18, 20, 21]
+# low = 0
+# high = len(num_list)-1
+# while low <= high:
+#     mid = (low+high)//2
+#     guess = num_list[mid]
+#     if guess == bingo_num:
+#         print("找到了,他的索引是:",mid)
+#         break
+#     elif guess < bingo_num:
+#         low = mid + 1
+#     else:
+#         high = mid - 1
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