import numpy as np
a1=np.random.choice(5, 3)
a2=np.random.choice(5, 3, p=[0.1, 0, 0.3, 0.6, 0])
a3=np.random.choice(a=5, size=3, replace=False, p=None)
a4=np.random.choice(a=5, size=3, replace=False, p=[0.2, 0.1, 0.3, 0.4, 0.0])
aa_milne_arr = ['pooh', 'rabbit', 'piglet', 'Christopher']
a5=np.random.choice(aa_milne_arr, 5, p=[0.5, 0.1, 0.1, 0.3])
print("a1:\n",a1,"\n","a2:\n",a2,"\n","a3:\n",a3,"\n","a4:\n",a4,"\n","a5:\n",a5)
# a1:
# [2 2 2]
# a2:
# [2 3 3]
# a3:
# [4 0 1]
# a4:
# [0 3 2]
# a5:
# ['pooh' 'rabbit' 'pooh' 'pooh' 'Christopher']