Moved 1 to 5 to Python and learned a ton.

python/e001.py

@@ -0,0 +1,11 @@
+def get_sum_of_natural_dividable_by_3_and_5_below(m):
+    return sum([x for x in range(m) if x % 3 == 0 or x % 5 == 0])
+
+
+def euler_001():
+    return get_sum_of_natural_dividable_by_3_and_5_below(1000)
+
+
+assert(get_sum_of_natural_dividable_by_3_and_5_below(10) == 23)
+assert(euler_001() == 233168)
+print("e001.py: {}".format(euler_001()))