âcommit homework day2 named 山脉数组的峰顶索引

2_homework_bubbleSort.py

+'''
+实现冒泡排序
+传入参数：nums 需要排序的数组
+传入参数：isAsc 排序模式，升级还是降序，默认升序
+'''
+
+def bubbleSort(nums,isAsc):
+    for i in range(len(A)-1):  # 外循环每一次把有序的数增加一个
+        for j in range(len(A)-i-1):  # 内循环每次把无序部分中的最大值放到最上面
+            if(isAsc):  # 是否升序
+                if(A[j] > A[j+1]):
+                 A[j], A[j+1] = A[j+1], A[j]
+
+            else:  # 降序
+                if (A[j] < A[j + 1]):
+                    A[j], A[j + 1] = A[j + 1], A[j]
+
+
+
+A=[3,4,2,22,7,8]
+bubbleSort(A,isAsc=True)
+print(A)
+
+bubbleSort(A,isAsc=False)
+print(A)
+
+

2_homework_peakIndexInMountainArray.py

+
+
+def peakIndexInMountainArray(self, A):
+    lenth = len(A)
+    for x in range(lenth):
+        if(A[x]>A[x+1]):
+            print(x)
+            return x
+        else:
+            continue
+A= [0,1,0]
+B = [0,2,3,0]
+peakIndexInMountainArray(A,A)
+peakIndexInMountainArray(B,B)
+
+
+
+def peakIndexInMountainArray1(self, A):
+
+    idx = A.index(max(A))
+    print(idx)
+    return idx
+
+A= [0,1,0]
+B = [0,2,3,0]
+peakIndexInMountainArray1(A,A)
+peakIndexInMountainArray1(B,B)
+
+
+def peakIndexInMountainArray2(self, A):
+    a = max(A)
+    for i in range(len(A)):
+        if A[i] == a:
+            print(i)
+            return i
+
+A= [0,1,0]
+B = [0,2,3,0]
+peakIndexInMountainArray2(A,A)
+peakIndexInMountainArray2(B,B)
+
+# 这种写法好像有问题，待解决
+def peakIndexInMountainArray3(self, A):
+    for i in range(len(A)):
+        while(A[i] < A[i+1]):
+            i+=1
+            print(i)
+            return i
+
+A= [0,1,0]
+B = [0,2,3,0]
+peakIndexInMountainArray3(A,A)
+peakIndexInMountainArray3(B,B)
+
+
+

2_homework_question_and_answer.py

+def question_and_answer():
+    while True:
+        a = input("")
+        if (("贪心" or "贪心学院") and "做什么"in a):
+            print("贪心学院是一家高端重视售后服务的在线教育培训机构")
+        if "bye" in a:
+            print("拜拜，回聊！")
+            break
+
+
+question_and_answer()
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