# your code goes here import numpy as np scores = [3.0, 1.0, 0.2] x = np.arange(-2.0, 6.0, 0.1) scores = np.vstack([x, np.ones_like(x), 0.2 * np.ones_like(x)]) a=np.array([]) a[0]=2 print a
Standard input is empty
Standard output is empty
Traceback (most recent call last): File "prog.py", line 8, in <module> IndexError: index 0 is out of bounds for axis 0 with size 0