Python array

import array
a = array.array('d', [1.11, 2.22, 3.33, 4.44,5.55])
print(a)
b = array.array('h', [1.11, 2.22, 3.33, 4.44,5.55])
b = array.array('h', [0, 1, 2, 3, 4, 5])
print(b)
print(b[0])
print(a[0])
print(a[-1])
print(a[0:3])
print(a[1:-2])
print(a[:])
a[0] = 0.13
print(a[0])
a[1:4] = array.array('d', [11.1, 12.1, 13.1])
print(a)
a.append(20.4)
print(a)
a.extend([31.1, 42.1, 453.1])
print(a)
c = array.array('d', [0.23,0.22,0.21])
ac = array.array('d')
ac = a+c
del ac[0]
print(ac)
del ac
print(ac)
print(b)
b.remove(4)
print(b)
print(b.pop()) #domyslnie usuwa -1
print(b)
print(b.pop(-2))
print(b)
b.insert(2,13)
print(b)
b.reverse()
print(b)

mojalista = [9,8,7,0]
d = array.array('h')
d.fromlist(mojalista)

mojalista2 = ["jeden", 2, "trzy", 4, 4.5, 5]
array = array.array('h',["jeden", 2, "trzy", 4, 4.5, 5])