docs: def dict_path(from_d,to_d={},l=[]):
  	"""
  	Returns a dictionary with the path in which each of the keys is found
  
  	Parameters:
  		from_d : dict
  			Dictionary that contains all the keys, values
  		to_d : dict
  			Dictionary to which the results will be appended
  
  	Example: 
  		dict_path({'level1':{'level2':{'level3':'value'}}})
  		Returns
  			{'level1': [],
  		 	 'level2': ['level1'],
  		 	 'level3': ['level1', 'level2']
  		 	}
  	"""
  	for k,v in list(from_d.items()):
  		if isinstance(v,dict):
  			to_d[k]=l
  			_l=copy.deepcopy(l)
  			_l.append(k)
  			to_d=dict_path(from_d[k],to_d,_l)
  		else:
  			to_d[k]=l
  	_to_d=to_d.copy()
  	to_d={}
  	return _to_d