Median of a matrix
Write a NumPy program to find the median of all values in a matrix. Step-by-step explanation, colour-coded code and real output.
SQA Tools Blog
Learn testing and automation, one article at a time
Free tutorials, solved practice problems and interview prep for QA and automation engineers: Python, Playwright, Selenium, SQL, Git and more.
1,677Articles
1,141Solved Python problems
7Topics
100%Free
Latest articles
1,677 articles · page 93 of 140Count non-zero elements
Write a NumPy program to count the non-zero elements. Step-by-step explanation, colour-coded code and real output.
Split into 2, 3 and 5 elements
Write a NumPy program to split 10 elements into arrays of 2, 3 and 5 elements. Step-by-step explanation, colour-coded code and real output.
1-D arrays as columns
Write a NumPy program to combine two 1-D arrays as columns of a 2-D array. Step-by-step explanation, colour-coded code and real output.
Remove single-dimensional entries
Write a NumPy program to remove dimensions of size 1 from a shape. Step-by-step explanation, colour-coded code and real output.
The ith element of a 2-D array
Write a NumPy program to find the ith element (counting row by row) of a 2-D array. Step-by-step explanation, colour-coded code and real output.
Change the data type
Write a NumPy program to change the data type of an array. Step-by-step explanation, colour-coded code and real output.
Index of the minimum
Write a NumPy program to find the index of the minimum value. Step-by-step explanation, colour-coded code and real output.
Index of the maximum
Write a NumPy program to find the index of the maximum value. Step-by-step explanation, colour-coded code and real output.
Union of two arrays
Write a NumPy program to find the union of two arrays. Step-by-step explanation, colour-coded code and real output.
Set difference
Write a NumPy program to find the unique values of array1 that are not in array2. Step-by-step explanation, colour-coded code and real output.
Unique elements
Write a NumPy program to get the unique elements of an array. Step-by-step explanation, colour-coded code and real output.
Preparing for a QA interview?
Take free timed mock tests with answers and explanations.