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First solution in Clear category for Number Base by mehWincenty
def checkio(str_number, radix):
score = 0
i = 1
for character in str_number:
if character.isalpha() == True:
if (ord(character)-55) < radix:
score += (ord(character)-55) * radix ** (len(str_number) - i)
i += 1
else:
return -1
else:
if int(character) < radix:
score += int(character) * radix ** (len(str_number) - i)
i += 1
else:
return -1
return score
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio("101", 2) == 5, "Bin"
assert checkio("AF", 16) == 175, "Hex"
assert checkio("101", 5) == 26, "5 base"
assert checkio("Z", 36) == 35, "Z base"
assert checkio("AB", 10) == -1, "B > A > 10"
Oct. 21, 2016
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