Add all the A tasks

Task/Averages-Pythagorean-means/Python/averages-pythagorean-means.py

@@ -0,0 +1,16 @@
+from operator import mul
+from functools import reduce
+
+def amean(num):
+	return sum(num)/len(num)
+
+def gmean(num):
+	return reduce(mul, num, 1)**(1/len(num))
+
+def hmean(num):
+	return len(num)/sum(1/n for n in num)
+
+numbers = range(1,11) # 1..10
+a, g, h = amean(numbers), gmean(numbers), hmean(numbers)
+print(a, g, h)
+assert( a >= g >= h )