# How to Find the Biggest Number in a List in Python?

In Python, working with lists is a common task. Sometimes, we need to find the largest number in a list. This can be useful in a variety of applications, from data analysis to simple programming tasks. In this tutorial, we will explore different methods to find the biggest number in a list in Python. By the end of this tutorial, you will have a solid understanding of how to find the maximum value in a list and be able to apply this knowledge to your own Python projects.

## Methods to find the biggest number in a list in Python

There are multiple methods using which you can get the maximum value in a Python list. Let’s look at these methods in detail with the help of some examples.

### 1) Using the `max()` function

`max()` is a built-in function in Python that returns the largest item in an iterable or the largest of two or more arguments. To get the biggest number in a list, pass the list as an argument to the `max()` function.

Let’s look at an example.

```# create a list
ls = [3, 5, 1, 9, 2]
# find the biggest value in the list
biggest_num = max(ls)
print(biggest_num)```

Output:

`9`

We get the maximum value in the list as 9, which is the correct answer.

### 2) By iterating through the list

In this method, we iterate through the list and keep track of the biggest value encountered in a separate variable. After we have gone through the entire list, the variable will have the biggest value in the list.

```# create a list
ls = [3, 5, 1, 9, 2]
# find the biggest value in the list
if ls:
biggest_num = ls[0]
for val in ls[1:]:
if val > biggest_num:
biggest_num = val
print(biggest_num)
else:
print("list is empty")```

Output:

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`9`

You can see that we get 9 as the biggest value in the list, which is the correct answer.

### 3) Sort the list

The idea here is to sort the list in ascending order and get the last element in the list. In a sorted list, the largest number will be at the end of the list. You can use the built-in `sorted()` function to sort a list in Python, it returns a new list that is sorted.

```# create a list
ls = [3, 5, 1, 9, 2]
# sort the list
ls_sorted = sorted(ls)
# find the biggest value
print(ls_sorted[-1])```

Output:

`9`

We get the biggest value in the last as 9, which is the correct answer.

## Conclusion

In this tutorial, we looked at how to get the biggest number in a Python list using different methods. Using the `max()` is the simplest and the recommended way to get the largest value in a list. The other methods, while being correct, are not as straightforward as the `max()` function.

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## Author

• Piyush is a data professional passionate about using data to understand things better and make informed decisions. He has experience working as a Data Scientist in the consulting domain and holds an engineering degree from IIT Roorkee. His hobbies include watching cricket, reading, and working on side projects.

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