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Linear search on list or tuples in Python
In this article, we are going to learn how to apply a linear search on lists and tuples.
A linear search starts searching from the first element and goes till the end of the list or tuple. It stops checking whenever it finds the required element.
Linear Search - Lists & Tuples
Follow the below steps to implement linear search on lists and tuples.
- Initialize the list or tuple and an element.
- Iterate over the list or tuple and check for the element.
- Break the loop whenever you find the element and mark a flag.
- Print element not found message based on the flag.
Example
Let's see the code.
# function for linear search
def linear_search(iterable, element):
# flag for marking
is_found = False
# iterating over the iterable
for i in range(len(iterable)):
# checking the element
if iterable[i] == element:
# marking the flag and returning respective message
is_found = True
return f"{element} found"
# checking the existence of element
if not is_found:
# returning not found message
return f"{element} not found"
# initializing the list
numbers_list = [1, 2, 3, 4, 5, 6]
numbers_tuple = (1, 2, 3, 4, 5, 6)
print("List:", linear_search(numbers_list, 3))
print("List:", linear_search(numbers_list, 7))
print("Tuple:", linear_search(numbers_tuple, 3))
print("Tuple:", linear_search(numbers_tuple, 7))If you run the above code, then you will get the following result.
Output
List: 3 found List: 7 not found Tuple: 3 found Tuple: 7 not found
Conclusion
If you have any queries in the article, mention them in the comment section.
Updated on: 13-Nov-2020
3K+ Views
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