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- #!/usr/bin/python
- maxval = raw_input('What number would you like to multiply up to? Please keep it under 20. ')
- try:
- float(maxval)
- except ValueError:
- print "That is not a valid number. Please try again."
- maxval = int(maxval)
- if maxval < 1:
- print "That number is too low. Please try again."
- elif maxval > 20:
- print "That number is too high. Please try again."
- else:
- maxlength = len(str(maxval * maxval))
- for i in range(1, maxval + 1):
- for j in range(1, maxval + 1):
- print '{0:>{1}}'.format(str(j*i), maxlength),
- print
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