import random
import numpy as np

x = np.zeros(shape = [20,3])
x[0] = [1,0,0]
#y= np.array([[1,1,1]])
#np.insert(x,[1,0,0])
#np.insert(x, 0,[1,1,1])
#np.concatenate((x, y), axis=0)

print x

# operation = ('frac', '^', 'frac', '^')
#
#
# print random.randint(0,len(operation))
# print random.randint(0,len(operation))
# print random.randint(0,len(operation))
# print random.randint(0,len(operation))
