Moved problems till e045.py to Python 2.

python/e037.py

@@ -0,0 +1,28 @@
+from lib_prime import primes
+
+
+def get_truncatable_numbers(n):
+    s = str(n)
+    ts = []
+    for i in range(1, len(s)):
+        ts.append(int(s[:i]))
+        ts.append(int(s[-i:]))
+    return ts
+
+
+def euler_037():
+    ps = primes(1000000)
+    ps_set = set(ps)
+    s = []
+    for p in ps[4:]:
+        for t in get_truncatable_numbers(p):
+            if t not in ps_set:
+                break
+        else:
+            s.append(p)
+    return sum(s)
+
+
+if __name__ == "__main__":
+    print("e037.py: " + str(euler_037()))
+    assert(euler_037() == 748317)