import numpy

my_array = numpy.array([[2, 5],
                        [3, 7],
                        [1, 3],
                        [4, 0]])

print(numpy.min(my_array, axis = 0))         #Output : [1 0]
print(numpy.min(my_array, axis = 1))         #Output : [2 3 1 0]
print(numpy.min(my_array, axis = None))      #Output : 0
print(numpy.min(my_array))                   #Output : 0


print(numpy.max(my_array, axis = 0))         #Output : [4 7]
print(numpy.max(my_array, axis = 1))         #Output : [5 7 3 4]
print(numpy.max(my_array, axis = None))      #Output : 7
print(numpy.max(my_array))                   #Output : 7