import random
import numpy as np
n = 5000
d = 10
for i in range(n):
data = np.random.randn(d-1)
h = np.linalg.norm(data)
h = np.sqrt(1 + h*h)
print('%.10f\t' % h, end="")
for j in range(d-1):
print('%.10f' % data[j], end="")
if j < d-2:
print("\t", end="")
if i < n-1:
print("")