... file . ... 7 def __new__ ( cls , file , format = "fasta" ): . ... 16 def __init__ ( self , file , wrap_column = 70 ): . ... 20 def write_string ( self , string , name , description = '' ): . 21 """Append one sequence to file.""" . ... 28 string = string [ self . ... 33 def write_strings ( self , sequences ): . ... 36 Sequences are given as list of tuples (string, name, description). 37 """ . 38 for string , name , description in sequences : . ... 67 def fix_sequences ( self , sequences ): . ...