# How do you sort an array of arrays in python?

## How do you sort an array of arrays in python?

The **sort**() method lets you **sort** a list in ascending or descending order. It takes two keyword-only arguments: key and reverse . reverse determines if the list is **sorted** in ascending or descending order.

## How do I sort a 2D array column-wise?

Write a program to allow the user to enter integers into **a two-dimensional array** of size M × N. The size of the rows and **columns** is also entered by the user. Display the original **matrix**. Now **sort** the integers **column**-**wise** in ascending order in the **matrix**, and display the resultant **matrix**.

## What is Numpy Argsort?

**argsort**() function is used to perform an indirect sort along the given axis using the algorithm specified by the kind keyword. It returns an array of indices of the same shape as arr that that would sort the array.

## How do you sort Ndarray in Python?

**numpy**.**ndarray**.**sort**

- axis : int, optional. Axis along which to
**sort**. Default is -1, which means**sort**along the last axis. - kind : {'quicksort', 'mergesort', 'heapsort'}, optional.
**Sorting**algorithm. ... - order : list, optional. When a is an
**array**with fields defined, this argument specifies which fields to compare first, second, etc.

## How do you sort an array element in C++?

first – is the index (pointer) of the first **element** in the range to be **sorted**. last – is the index (pointer) of the last **element** in the range to be **sorted**. For example, we want to **sort elements** of an **array** 'arr' from 1 to 10 position, we will use **sort**(arr, arr+10) and it will **sort** 10 **elements** in Ascending order.

## How do you find the max element in an array?

To **find** the **largest element**, the first two **elements** of **array** are checked and the **largest** of these two **elements** are placed in arr[0] the first and third **elements** are checked and **largest** of these two **elements** is placed in arr[0] .

## How many sorting techniques are there?

Although **there** is a wide variety of **sorting algorithms**, this blog explains Straight Insertion, Shell **Sort**, Bubble **Sort**, Quick **Sort**, Selection **Sort**, and Heap **Sort**. The first two **algorithms** (Straight Insertion and Shell **Sort**) **sort** arrays with insertion, which is when elements get inserted into the right place.

## How do you return an array in C++?

**C++** does not allow to **return** an entire **array** as an argument to a function. However, you can **return** a pointer to an **array** by specifying the **array's** name without an index.

## Can you return an array?

C++ does not allow to **return** an entire **array** as an argument to a function. However, **you can return** a pointer to an **array** by specifying the **array's** name without an index.

## How do I return an array pointer?

**Returning pointer** pointing to the **array**

- #include
- int *getarray()
- {
- int arr[5];
- printf("Enter the elements in an
**array**: "); - for(int i=0;i

#### Read also

- How do I sort Ndarray?
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