linear search python

1def linearsearch(arr, x):
2   for i in range(len(arr)):
3      if arr[i] == x:
4         return i
5   return -1
6arr = [1,2,3,4,5,6,7,8]
7x = 4
8print("element found at index "+str(linearsearch(arr,x)))

1def linear_search(a, key):
2	position = 0
3	flag = False
4	while position < len(a) and not flag:
5		if a[position] == key:
6			flag = True
7		else:
8			position = position + 1
9	return flag

1def linear_search(myList,item):
2    for i in range(len(myList)):
3        if myList[i]==item:
4            return i
5    return -1
6
7myList = [1,7,6,5,8]
8print("Element in List :", myList)
9x = int(input("enter searching element :"))
10
11result = linear_search(myList,x)
12if result==-1:
13     print("Element not found in the list")
14else:
15     print( "Element " + str(x) + " is found at position %d" %(result))
16
17