godarda@gd:~$ python3
...
>>> from numpy import *
>>> arr1 = array([40, 96, 24, 55, 78, -111])
>>> arr2 = array(['x','y','z'])
>>> arr3 = array(["Orange", "Pineapple", "Banana", "Blueberry", "Grapes", "Fig"])

>>> arr1.size, arr2.size, arr3.size
(6, 3, 6)

>>> arr1.dtype, arr2.dtype, arr3.dtype
(dtype('int64'), dtype('<U1'), dtype('<U9'))

# memory size of an element stored in the array
>>> arr1.itemsize, arr2.itemsize, arr3.itemsize
(8, 4, 36)

# total memory size of the array
>>> arr1.nbytes, arr2.nbytes, arr3.nbytes
(48, 12, 216)

# number of dimensions of the array
>>> arr1.ndim, arr2.ndim, arr3.ndim
(1, 1, 1)

>>> arr1[0], arr2[0], arr3[0]
(40, 'x', 'Orange')

>>> for i in arr1:
...     print(i)
... 
40
96
24
55
78
-111

>>> for s in arr3:
...     print(s)
... 
Orange
Pineapple
Banana
Blueberry
Grapes
Fig

>>> from numpy import *
>>> arr1 = array([40, 96, 24, 55, 78, -111])
>>> arr2 = array(['x','y','z'])
>>> arr3 = array(["Orange", "Pineapple", "Banana", "Blueberry", "Grapes", "Fig"])

>>> len(arr1), len(arr2), len(arr3)
(6, 3, 6)

>>> min(arr1), min(arr2), min(arr3)
(-111, 'x', 'Banana')

>>> max(arr1), max(arr2), max(arr3)
(96, 'z', 'Pineapple')

>>> sort(arr1)
array([-111,   24,   40,   55,   78,   96])

>>> sort(arr2)
array(['x', 'y', 'z'], dtype='<U1')

>>> sort(arr3)
array(['Banana', 'Blueberry', 'Fig', 'Grapes', 'Orange', 'Pineapple'], dtype='<U9')

>>> arr2 = append(arr2, 'w')
>>> arr2
array(['x', 'y', 'z', 'w'], dtype='<U1')

>>> arr2 = delete(arr2, 3)
>>> arr2
array(['x', 'y', 'z'], dtype='<U1')

>>> arr3 = insert(arr3, 0, "Cherry")
>>> arr3
array(['Cherry', 'Orange', 'Pineapple', 'Banana', 'Blueberry', 'Grapes', 'Fig'], dtype='<U9')

>>> arr3 = delete(arr3, 0)
>>> arr3
array(['Orange', 'Pineapple', 'Banana', 'Blueberry', 'Grapes', 'Fig'], dtype='<U9')

>>> arr1.tolist()
[40, 96, 24, 55, 78, -111]