Master the
brief #introduction about #linear #search with an #implementation on #python:
Linear search is a simple search algorithm that involves sequentially checking each element of a list or an array until a target element is found or all elements have been searched. The time #complexity of linear search is O(n) in the worst case scenario, where n is the number of elements in the list or array.
Here's an implementation of linear search in Python:
python code
```
def linear_search(arr, target):
for i in range(len(arr)):
if arr[i] == target:
return i
return -1
```
This implementation takes a list "arr" and a target element "target" as inputs and returns the index of the target element if it is found in the list, or -1 if the target element is not in the list.
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