How to repeat elements in list n times?

Question

How do I repeat each element of a list n times and form a new list? For example:

x=[1,2,3,4]
n=3

Looking for:

[1,1,1,2,2,2,3,3,3,4,4,4]

Similar Python question here: https://stackoverflow.com/questions/24225072 — Alec, Feb 14 '20 at 23:59

score 3 · Accepted Answer · answered Feb 15 '20 at 00:55

3

An inner argument to repeat is what I was looking for:

repeat([1, 2, 3, 4], inner = 3)

answered Feb 15 '20 at 00:55

Alec

score 1 · Answer 2 · answered Feb 15 '20 at 07:29

1

Also list comprehension:

x = [1,2,3,4]
n = 3
result = [i for i in x for j in 1:n]

answered Feb 15 '20 at 07:29

张实唯

2 Answers2