flatten and space age exercise

python/space-age/space_age.py

@@ -0,0 +1,17 @@
+from functools import partial
+
+class SpaceAge(object):
+    def __init__(self, seconds):
+        self.seconds = seconds
+        self.gen = lambda n : partial(self.factor, n)
+        self.on_mercury = self.gen(0.241)
+        self.on_venus = self.gen(0.615)
+        self.on_earth = self.gen(1.00070137)
+        self.on_mars = self.gen(1.881)
+        self.on_jupiter = self.gen(11.862)
+        self.on_saturn = self.gen(29.457)
+        self.on_uranus = self.gen(84.011)
+        self.on_neptune = self.gen(164.79)
+
+    def factor(self, n):
+        return round(self.seconds / (n * 365 * 24 * 60 * 60), 2)