EMIRP: Backward Read Prime

backwardsPrime(2, 100) => 13, 17, 31, 37, 71, 73, 79, 97
backwardsPrime(9900, 10000) => 9923, 9931, 9941, 9967
backwardsPrime(501, 599) => None



def bakcwardsPrime(start,stop):
    for i in range(start,stop):
        if i > 1:
            for j in list(range(2,i)):
                if(i%j==0):
                     break
            else:
                reversed=int(str(i)[::-1])
                for k in range(2,reversed):
                    if reversed%k==0:
                         break
                else:
                    if i!=reversed:
                        return i