#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
ENGG1811 

Illustrating the numpy where function 
"""
import numpy as np 

# Problem parameters
array1 = np.array([ [-3,  0,  0,  5], 
                    [ 6, -4,  6,  7],
                    [ 3,  5,  2,  3]])

# where                      
coordinates_equal_to_7 = np.where(array1 == 7)  

coordinates_geq_5 = np.where(array1 >= 5)