def checking_features(columns:list, lst_features:list) -> bool:
	"""
	Parameters:
		* columns [list]: list of columns in the dataframe.
		* lst_features [list]: list of required features.
	Return:
		True/False [bool]: If all / not all the required features
						   are in the dataframe. 
	"""
	if all([feat in columns for feat in lst_features]):
		return True
	else:
		return False