docs: def kwargs_from_keyword(from_kwargs,to_kwargs,keyword,clean_origin=True):
  	"""
  	Looks for keys of the format keyword_value. 
  	And return a dictionary with {keyword:value} format
  
  	Parameters:
  	-----------
  		from_kwargs : dict
  			Original dictionary
  		to_kwargs : dict
  			Dictionary where the items will be appended
  		keyword : string
  			Keyword to look for in the orginal dictionary
  		clean_origin : bool
  			If True then the k,v pairs from the original 
  			dictionary are deleted
  	"""
  	for k in list(from_kwargs.keys()):
  		if '{0}_'.format(keyword) in k:
  			to_kwargs[k.replace('{0}_'.format(keyword),'')]=from_kwargs[k]
  			if clean_origin:
  				del from_kwargs[k]
  	return to_kwargs