Solve easy problem 808 to be back in the game

python/e808.py

@@ -0,0 +1,25 @@
+from lib_prime import primes
+from lib_misc import is_palindrome_string
+
+
+def euler_808():
+    r = []
+    squared_primes = set()
+    ps = primes(100000000)
+    for p in ps:
+        p_squared = p * p
+        p_squared_str = str(p_squared)
+        if not is_palindrome_string(p_squared_str):
+            squared_primes.add(p_squared)
+            p_squared_reverse = int(p_squared_str[::-1])
+            if p_squared_reverse in squared_primes:
+                r += [p_squared, p_squared_reverse]
+                if len(r) == 50:
+                    break
+    return sum(r)
+
+
+if __name__ == "__main__":
+    solution = euler_808()
+    print("e808.py: " + str(solution))
+    assert(solution == 3807504276997394)