text_plain_output_1.png
expression = '8+7'
total = eval(expression)

a = float(input('Enter the pi number:'))
b = float(input('Enter the golden ratio:'))
total = a + b

a = input('Enter your favorite fruit:')
b = input('Enter your favorite food:')
print('I like {} and {}.'.format(a, b))
print('I like {0} and {1}.'.format(a, b))
print('I like {1} and {0}.'.format(a, b))