peakelement.py

arr = [10,20,15,2,23,90,67]


def peakElement(arr):
	n=len(arr)-1
	cur = 0
	prev = cur - 1
	nxt = 1
	
	newarr = []
	while(n):

		try:	
			if arr[cur] > arr[nxt] and arr[cur] > arr[prev]:
				newarr.append(arr[cur])
				cur += 1
				nxt += 1
				prev += 1
				n -= 1


			else:
				cur += 1
				nxt += 1
				prev += 1
				n -= 1

		except IndexError:
			print 'IndexError'
	return newarr




print peakElement(arr)