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from helper.prime import primes_until, is_prime
def rotate_num(l, x):
l = str(l)
return int(l[-x:] + l[:-x])
c_nb_list = []
for p in primes_until(1_000_000):
circular = True
for k in range(1, len(str(p))):
if not is_prime(rotate_num(p, k)):
circular = False
break
if circular:
c_nb_list.append(p)
print(c_nb_list)
print(len(c_nb_list))
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