import math

# Main routine

# Initialise variables
side_list = ['opposite', 'adjacent', 'hypotenuse']
side_values = []
opp = 0
adj = 0
hyp = 0
theta = 0

# Get angle if avaliable
angle_present = input("Is there an interior angle other than 90°? ")

if angle_present == 'yes':

    degree_type = input("Radians or Degrees? ")

    theta = int(input("What is its value? "))

    if degree_type == 'degrees':
        math.degrees(theta)
else:
    theta = None

# Get sides if avaliable
for item in side_list:
    side_known = input(f"Do you have the length of the {item}? ")
    if side_known == 'yes':
        side_values.append(int(input("What is its length? ")))
    else:
        side_values.append(None)

# Save side length data
opp = side_list[0]
adj = side_list[1]
hyp = side_list[2]

if opp is not None and adj is not None:
    hyp = math.sqrt(opp ** 2 + adj ** 2)

if hyp is not None and opp is not None:
    adj = math.sqrt(hyp ** 2 - opp ** 2)

if hyp is not None and adj is not None:
    opp = math.sqrt(hyp ** 2 - adj ** 2)