Why my code is not returning the value of hypotenuse?

Question

Basically, I need to calculate a hypotenuse of the right triangle
First, my code defines if the triangle is right or not, and then based on the lengths of two sides it calculates a hypotenuse of that triangle but it is not returning my h value which I need to return as a task of this exercise. I can't understand what is a problem with returning h?
Why code is not returning it?

Thanks in advance

angle1 = input("what is a degree of the first angle? : ")
angle2 = input("what is a degree of the second angle? : ")
angle3 = input("what is a degree of the third angle? : ")

a1 = int(angle1)
a2 = int(angle2)
a3 = int(angle3)

length1 = input("what is a length of the first side? : ")
length2 = input("what is a length of the second side? : ")

l1 = int(length1)
l2 = int(length2)


def hypothenuse(a1, a2, a3, l1, l2):
    if a1 != 90 or a2 != 90 or a3 != 90:
        return ("\n sorry, but triangle sould be right -> one agle = 90 degrees")
    else:
        h = l1**2 + l2**2
        return ("The hypothenuse of this triangle is equal to:", h)

hypothenuse(a1, a2, a3, l1, l2)

Answer 1

You are returning a value. The problem is that you are not telling Python to display it.

You can display variables, strings, bytes, integers and many other data types with print().

This is what you are after using:

print(hypothenuse(a1, a2, a3, l1, l2))

As mentioned in the comments you can store it in variables.

I would highly recommend you add "error catching" to your program, in case a user inputs a letter and not something that can be turned into an integer with int()

For example if under angle1 somebody entered a you would get:

>>> a1 = int(angle1)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: invalid literal for int() with base 10: 'a'
>>>

A way to prevent this is to "catch" the error:

try:
    a1 = int(angle1)
except ValueError:
    print("Please enter an integer")

Don't worry if this is unfarmiliar right now, it will come up as you learn Python, and will become easy enough to understand.