a = 12
b = 3
c = a + b
d = c / 3
e = d - 4
print(e * 12)

parrot =  "Norwegian Blue"
print(parrot)
print(parrot[0])
print(parrot[1])
print(parrot[2])
print(parrot[3])
print(parrot[4])
print(parrot[-1])
print(parrot[0:10])
print(parrot[:15])
print(parrot[10:])
# Characters from 0 to 6 in step of 2
print(parrot[0:6:2])
# Characters from 0 to 6 in step of 3
print(parrot[0:6:3])

number = "9,223,372,036,854,755,807"
print(number[1::4])
numbers = "1, 2, 3, 4, 5, 6, 7, 8, 9"
print(numbers[0::3])

print()
string1 = "he's"
string2 = "probably"
print(string1 + ' '  + string2)
print("he's probably pining")
print("Hello " * 5)
print("Hello " * (5 + 4))
print("Hello  " * 5 + ' 4')

print()
today = "Friday"
print("day" in today)
print("Fri" in today)
print("thur" in today)
print("parrot" in "Norwegian")


