code: def decrypt(message):
      '''decrypt leverages KMS decrypt and base64-encode decrypted blob
  
          More info on KMS decrypt API:
          https://docs.aws.amazon.com/kms/latest/APIReference/API_decrypt.html
      '''
      try:
          ret = kms.decrypt(
              CiphertextBlob=base64.decodestring(message))
          decrypted_data = ret.get('Plaintext')
      except Exception as e:
          # returns http 500 back to user and log error details in Cloudwatch Logs
          raise Exception("Unable to decrypt data: ", e)
  
      return decrypted_datf decrypt(message):
      '''decrypt leverages KMS decrypt and base64-encode decrypted blob
  
          More info on KMS decrypt API:
          https://docs.aws.amazon.com/kms/latest/APIReference/API_decrypt.html
      '''
      try:
          ret = kms.decrypt(
              CiphertextBlob=base64.decodestring(message))
          decrypted_data = ret.get('Plaintext')
      except Exception as e:
          # returns http 500 back to user and log error details in Cloudwatch Logs
          raise Exception("Unable to decrypt data: ", e)
  
      return decrypted_data
docs: decrypt leverages KMS decrypt and base64-encode decrypted blob
  
          More info on KMS decrypt API:
          https://docs.aws.amazon.com/kms/latest/APIReference/API_decrypt.html