human
check valid dictionary key.
assistant
Here is a Python program to check valid dictionary key

import json

def _check_valid_key(key):
    """
    Checks if the key is a valid dictionary key.
    """
    if not isinstance(key, str):
        raise TypeError("Invalid type for key. Expected str, found %s" % type(key))
    if not key:
        raise ValueError("Invalid value for key.")

# Enter the key
key = "key"

# Calling the function
if _check_valid_key(key):
    print("Key is valid")
else:
    print("Key is invalid")

#Example Output
# Key is invalid

#Remember to inspect code for bugs.