What's wrong with my python calculator code?

Question

It says invalid syntax, I would like to know why...
CODE{
#Some input variables
if operation == "addition"
result = numberone + numbertwo
print(result)
}

Answer 1

Your if statements, elif, and else statements need a ":" after them

numberone = int(input("Write a number"))
numbertwo = int(input("Write a number to calculate with your first number"))
operation = (input("Math Operation \(addition,subtraction,multiplication,division)"))

if operation == "addition":
result = numberone + numbertwo
print(result)
elif operation == "subtraction":
result = numberone - numbertwo
print(result)
elif operation == "multiplication":
result = numberone * numbertwo
print(result)
elif operation == "division":
result = numberone / numbertwo
print(result)
else:
print("Not a valid operation")

Answer 2

Linking to the code will be easier to debug than pseudo code

Answer 3

Noob mistake, can't believe I forgot it...
Thanks very much for the help and sorry for the inconvenience...

Answer 4

https://code.sololearn.com/c91rlK2c4Ddj/?ref=app

Answer 5

Basic noob beginner code...