|
| 1 | +import argparse |
| 2 | + |
| 3 | +import pdb, logging |
| 4 | + |
| 5 | +logging.basicConfig(level=logging.DEBUG, |
| 6 | + filename='logs.log', |
| 7 | + filemode='w') |
| 8 | + |
| 9 | +def main(arguments, options): |
| 10 | + for argument in arguments: |
| 11 | + recursion_times = int(argument) |
| 12 | + # initial input must be set manually to '1' |
| 13 | + number = "1" |
| 14 | + for i in xrange(1,recursion_times): |
| 15 | + number = say_number(str(number)) |
| 16 | + print(number) |
| 17 | + |
| 18 | +def say_number(number): |
| 19 | + """Takes 'number' input and reads it out in the look-and-say method.""" |
| 20 | + number_block = "" |
| 21 | + output_number = "" |
| 22 | + |
| 23 | + for i,v in enumerate(number): |
| 24 | + number_block += v |
| 25 | + if ((i+1) >= len(number)) or not (number[i] == number[i+1]): |
| 26 | + #example: 111 will be expressed as '31', in other words 'three ones' |
| 27 | + block_expression = str(len(number_block)) + v |
| 28 | + output_number += block_expression |
| 29 | + logging.debug( """ End of Block. (number={n}, number_block={b},block_expression={e}) |
| 30 | + """.format( n=number, |
| 31 | + b=number_block, |
| 32 | + e=block_expression )) |
| 33 | + number_block = "" |
| 34 | + # Prevent overflow by pruning to 500 digits and breaking. |
| 35 | + if len(output_number)>=500: |
| 36 | + logging.info(""" Reached 500 digit limit. Length of output is: {l} |
| 37 | + """.format( l= len(output_number ))) |
| 38 | + output_number = output_number[0:500] |
| 39 | + break |
| 40 | + |
| 41 | + logging.debug( """ End of say_number. (output_number={o}, number={n}) |
| 42 | + """.format( o=output_number, n=number )) |
| 43 | + return output_number |
| 44 | + |
| 45 | + |
| 46 | +parser = argparse.ArgumentParser(description='Write description here') |
| 47 | +parser.add_argument('basic_arguments', nargs='*') |
| 48 | + |
| 49 | +args = parser.parse_args() |
| 50 | + |
| 51 | +main(args.basic_arguments, args) |
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