python api numpy vstack

Examples

import numpy as np

a = np.arange(5)
b = np.arange(5,10)
c = np.arange(10.15)
print(a,b)
>> [0 1 2 3 4] [5 6 7 8 9]

x = np.vstack([a,b])
print(x)
>> [[0 1 2 3 4]
 [5 6 7 8 9]]