1 files changed, 25 insertions, 0 deletions
diff --git a/python/wip/037-truncatable_primes.py b/python/wip/037-truncatable_primes.py
new file mode 100644
index 0000000..1ad7d29
--- /dev/null
+++ b/python/wip/037-truncatable_primes.py
@@ -0,0 +1,25 @@
+from helper.prime import primes_loop, is_prime
+
+
+def is_truncatable(prime):
+    p_str = str(prime)
+    for i in range(1, len(p_str)):
+        if not is_prime(int(p_str[i:])):
+            return False
+    for i in range(1, len(p_str)):
+        if not is_prime(int(p_str[:-i])):
+            return False
+    if prime in [2, 3, 5, 7]:
+        return False
+    return True
+
+
+trunc_p_list = []
+for p in primes_loop():
+    if is_truncatable(p):
+        trunc_p_list.append(p)
+    if len(trunc_p_list) == 11:
+        break
+
+print(trunc_p_list)
+print(sum(trunc_p_list))