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First solution in Clear category for Number Base by Andreas_Strus
def checkio(str_number, radix):
values = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', "A", 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z']
ma = max(str_number)
if (values.index(ma) >= radix):
return -1
x = int(str_number, radix)
return x
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio("AF", 16) == 175, "Hex"
assert checkio("101", 2) == 5, "Bin"
assert checkio("101", 5) == 26, "5 base"
assert checkio("Z", 36) == 35, "Z base"
assert checkio("AB", 10) == -1, "B > A > 10"
Oct. 18, 2016
