파이썬 python array 속성 attribute 알아보기

만든 array 의 속성 알아보기

arr = np.random.randint(1,100,(10,10)) # 1은 inclusive, 100은 exclusive
display(arr)
arr.ndim, arr.shape, arr.size, arr.dtype, arr.T

# Out:
'''
array([[31,  4, 79, 60, 54, 70, 50, 75, 47, 28],
       [34, 73, 69, 40, 33, 98,  8, 34, 63, 15],
       [78, 44, 62, 86, 37, 13, 54, 27, 83, 13],
       [26,  2, 42, 56, 56, 65, 16, 93, 41, 61],
       [71, 50, 51, 33, 91, 21, 53, 39, 66, 81],
       [58, 53, 90, 20, 95, 65, 43, 48, 22, 98],
       [ 2, 90, 39, 13, 19, 78, 78, 89, 91, 84],
       [40, 99, 16, 38, 97, 37, 99,  2, 33, 31],
       [ 8, 51, 51, 33, 44, 42, 70,  2, 98, 52],
       [31, 83, 50, 82, 83, 96, 72, 22, 19, 47]])
(2,
 (10, 10),
 100,
 dtype('int32'),
 array([[31, 34, 78, 26, 71, 58,  2, 40,  8, 31],
        [ 4, 73, 44,  2, 50, 53, 90, 99, 51, 83],
        [79, 69, 62, 42, 51, 90, 39, 16, 51, 50],
        [60, 40, 86, 56, 33, 20, 13, 38, 33, 82],
        [54, 33, 37, 56, 91, 95, 19, 97, 44, 83],
        [70, 98, 13, 65, 21, 65, 78, 37, 42, 96],
        [50,  8, 54, 16, 53, 43, 78, 99, 70, 72],
        [75, 34, 27, 93, 39, 48, 89,  2,  2, 22],
        [47, 63, 83, 41, 66, 22, 91, 33, 98, 19],
        [28, 15, 13, 61, 81, 98, 84, 31, 52, 47]]))
'''