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- #!/usr/bin/env python
- import sys
- if __name__ == '__main__':
- if len(sys.argv) < 2:
- print >>sys.stderr, 'usage: python %s STRING' % sys.argv[0]
- sys.exit(1)
- def cmd(c):
- return ('+' * c if c > 0 else '-' * -c) + '.'
- input_string = ' '.join(sys.argv[1:]) + '\n'
- ords = [0] + map(ord, input_string)
- diffs = [ords[i + 1] - c for i, c in enumerate(ords[:-1])]
- print '\n'.join(map(cmd, diffs))
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