Sometimes, we want to choose longest string in list with Python.

In this article, we’ll look at how to choose longest string in list with Python.

How to choose longest string in list with Python?

To choose longest string in list with Python, we can use the max function with the key parameter set to len.

For instance, we write:

l = ['123', '123456', '1234']
m = max(l, key=len)
print(m)

We call max on list l with key set to len compare each entry in l by their lengths.

Therefore, the longest string will be returned.

And m is '123456'.

Conclusion

To choose longest string in list with Python, we can use the max function with the key parameter set to len.