Human: complex object is not subscriptable. Assistant: 
Here is a Python function to complex object is not subscriptable

import math

def not_subscriptable(x):
    """
    Returns True if x is not subscriptable
    """
    return isinstance(x, complex)

# Enter the complex object
complex_object = 1 + 2j

# Calling the function
print((not_subscriptable(complex_object)))

#Example Output
# True

#Remember to inspect code for bugs.