<human>:  Python program to json to pure string.
<bot>: Here is a Python program to convert json to pure string

import json

def json_to_string(json_obj):
  """Converts a JSON object to a string."""
  return json.dumps(json_obj, indent=4, separators=(',', ': '))

# Enter the json object
json_obj = {"hello": "world"}

# Calling the function
print((json_to_string(json_obj)))

#Example Output
# {
#   "hello": "world"
# }

#Remember to inspect code for bugs.