Coding Quiz - Flattening a 2D Array
In this coding quiz, you will write a function that flattens a given 2D array into a 1D array.
You will receive a 2D array (a list of lists) from the user and return a 1D array containing all elements.
Elements in the 1D array should be placed in the order they appear in the 2D array.
Code Implementation
def solution(matrix):
# Write your code here
return
Constraints
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The sub-arrays of the 2D array given as input may or may not have the same length.
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Array elements can be integers.
Example Input/Output
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Input:
[[1, 2, 3], [4, 5, 6], [7, 8, 9]] -
Output:
[1, 2, 3, 4, 5, 6, 7, 8, 9]
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