How to repeat a number from 1 to 10000 5 times [duplicate]

I'm using numpy.

I want to repeat numbers from 0 to 10000 five times.

Let me show you a simple example below.

0
0
0
0
0
1
1
1
1
1
2
2
2
2
2
3
3
3
3
3

9999
9999
9999
9999
9999
10000
10000
10000
10000
10000

How can I do this?


Use numpy.repeat with numpy.arange:

a = np.repeat(np.arange(10001), 5)
print (a)
[    0     0     0 ... 10000 10000 10000]