<human>:  * left or right side.
<bot>: Here is a Python code to * left or right side

import numpy as np

def is_left_side(value):
  """
  True if value is left side
  """
  return value < 0

# Enter the value
value = -1

# Calling the function
print((is_left_side(value)))

#Example Output
# True

#Remember to inspect code for bugs.