import random

def random_location( w, h ) :
    ''' Returns a random (x, y) coordinate where is from the range(0, w)
        and y is from the range(0, h )
    '''

    pass

def initialize_city_locations( n, w, h ) :
    ''' Returns a new list of n (x, y) pairs, where each pair is generated
        using an invocation of random_location( w, h )
    '''
    
    pass

if ( __name__ == "__main__" ) :
    import test_setup

    test_setup.test_random_location()
    test_setup.test_initialize_city_locations()