>>> import numpy >>> numbers = [3, 2, 8, 7] >>> mean = numpy.mean(numbers) >>> mean 5.0
>> import numpy as np >> a=[1,2,3,4,5] >> np.mean(a) 3.0
# define ndarray a a = np.array([[1, 2], [3, 4]]) # get the mean np.mean(a, axis=None)
