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First solution in Clear category for Number Base by ymraintree
def checkio(str_number, radix):
map = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
pos = len(str_number) - 1
print(pos)
result = 0
for s in str_number:
wk = 0
if s.isdigit(): wk = int(s)
else: wk = (map.find(s) + 10)
if radix <= wk: return -1
if 1 <= pos: result += wk * radix ** pos
else: result += wk
pos -= 1
return result
#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"
print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")
Oct. 7, 2017
