def _trim_front(strings):
 trimmed = strings
 while ((len(strings) > 0) and all([(x[0] == ' ') for x in trimmed])):
  trimmed = [x[1:] for x in trimmed]
 return trimmed

def _trim_front ( strings ) : trimmed = strings while ( ( len ( strings ) > 0 ) and all ( [ ( x [ 0 ] == ' ' ) for x in trimmed ] ) ) : trimmed = [ x [ 1 : ] for x in trimmed ] return trimmed
trims zeros and decimal points .