python - Checking my Tuple code -


so i'm trying parce fastq sequence, i'm beginner python, , i'm little confused how complete code. program supposed carry out:

if enter fastq seqname line...

@eas139:136:fc706vj:2:2104:15343:197393

...then program output: 

instrument = eas139 run id = 136 flow cell id = fc706vj flow cell lane = 2 tile number = 2104 x-coord = 15343 y-coord = 197393

here's (incomplete) code:

    class cleaner:     def __init__(self,str):         self.str = seq.upper()     def line (self):         1 = instr.replace ('@',' ').replace (':',' ').split (' ') newtuple =(float(1[1]),float(1[2))] #...etc                       def printinstrument (self):         print ("instrument: {0}".format(float(1[1])))     def printrunid (self):         print ("run id: {0}".format(float(1[2])))     def printflowcellid (self):         print ("flow cell id: {0}".format(float(1[3])))     def printflowcelllane (self):         print ("flow cell lane: {0}".format(float(1[4])))     def printtilenumber (self):         print ("tile number{0}".format(float(1[5])))     def printx (self):         print ("x-coordinate:{0}".format(float(1[6])))     def printy (self):         print ("y-coordinate: {0}".format(float(1[7])))  def main():     seq = input('enter fastq sequence:')   main()

if input that, remove first character (the @), split string : , zip values you'll obtain doing pre-set of keys:

>>> keys=["instrument", "run id", "flow cell id", "flow cell lane", "title number", "x-coord", "y-coord"] >>> values="@eas139:136:fc706vj:2:2104:15343:197393"[1:].split(':') >>> my_dict=dict(zip(keys, values)) >>> key, val in my_dict.iteritems(): ...     print "%s: %s" % (key, val) ... run id: 136 flow cell id: fc706vj title number: 2104 y-coord: 197393 x-coord: 15343 flow cell lane: 2 instrument: eas139

i recommend check:

  • slicing strings (here)
  • what split function string
  • what dict (here)
  • what zip (here)

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