Challenge 2

h = 1
parallel_list=[]

def create_function( a, b, c, d):
    eq1 = str(a)+"x+"+str(b)
    eq2 = str(c)+"x+"+str(d)
    global h
    couple = "couple"+str(h)
    print("Your " + couple + " has two functions: " + eq1 + " and " + eq2)
    h += 1
    if a is c:
        global parallel_list
        parallel_list.append(couple)


#that was the code; now I will write some examples to test the code

create_function(6,4,3,7)
create_function(2,5,2,6)
create_function(4,9,4,6)
create_function(1,2,3,4)
create_function(8,5,8,9)


print(parallel_list)