print("Multiply ", 4*4)

print("Divide ", 4/4)
print("power ", 3**2)

km = 435
speed = 65

time = km / speed

print("Decimal ", time)
print("Decimal Round ", round(time, 2))

print("-------------- Strings ----------")
text = "python"
print(text[0])

# text[1] = 'a' String are immutable in Python

print(text[0:2])
print(text[2:])
print("Let's learn Python")
print('''1st cross street
Sai nagar,
Chennai''')

s1 = "hello"
s2 = "world"
print(s1+' '+s2)
door_number = 12
address = '1st cross street'
print(str(door_number) + ' ' + address)
print(len(address))