Human: how to pop a value off an stack that is a fixed array in 3. Assistant: 
Here is a Python code to pop a value off an stack that is a fixed array in 3D

import numpy as np

def pop_from_stack(stack, index):
    """Pop a value off an stack that is a fixed array in 3."""
    return stack[index]

# Enter the stack
stack = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])

# Calling the function
print((pop_from_stack(stack, 3)))

#Remember to inspect code for bugs.