'''

fractions_operations.py

Fraction operations

'''

from fractions import Fraction

def add(a, b):

print('Result of adding {0} and {1} is {2} '.format(a, b, a+b))

def subtract(a, b):

print('Result of subtracting {1} from {0} is {2}'.format(a, b, a-b))

def divide(a, b):

print('Result of dividing {0} by {1} is {2}'.format(a, b, a/b))

def multiply(a, b):

print('Result of multiplying {0} and {1} is {2}'.format(a, b, a*b))

if __name__ == '__main__':

try:

a = Fraction(input('Enter first fraction: '))

b = Fraction(input('Enter second fraction: '))

op = input('Operation to perform - Add, Subtract, Divide, Multiply: ')

if op == 'Add':

add(a, b)

if op == 'Subtract':

subtract(a, b)

if op == 'Divide':

divide(a, b)

if op == 'Multiply':

multiply(a, b)

except ValueError:

print('Invalid fraction entered')