# import array as arr
# a = arr.array('d',[1.1,2.2,3.3])
# print(a)
# # b = arr.array('i',[1.1,2.2,3.3])
# # print(b)


# import array as arr

# a = arr.array('i',[1,2,3,4,5])
# print('First number: ',a[0])
# print('Second number: ',a[1])
# print('Fourth number: ',a[3])
# print('Last number: ',a[-1])


# import array as arr
# list = [1,2,3,4,5,6,7]
# array = arr.array('i', list)
# print(array[2:5])
# print(array[4:])
# print(array[:6])
# print(array[:])


# import array as arr
# array = arr.array('i', [1,2,3,4,5,6,8])

# array[6] = 7
# print(array)

# array[0:3] = arr.array('i', [3,2,1])
# print(array)



# import array as arr
# array = arr.array('i', [1,2,3,4,5,6])

# array.append(10)
# print(array)

# array.extend([12,15,20])
# print(array)


# import array as arr

# odd = arr.array('i',[1,3,5])
# even = arr.array('i',[2,4,6])
# number = odd + even

# print(number)

# odd += even
# print(odd)


# import array as arr
# array = arr.array('i', [1,2,2,3,4,5])
# del array[1]
# print(array)