如何填充数组缺失的元素？

Question

我有一个简单arrary：

a = [1,2,3,6,7,10,11,12,15,16] 

如何填写数组元素缺失？

Answer 1

range(min(a), max(a) + 1) 
# [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]