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First solution in Clear category for Number Base by Michal_Cichy
import string
def checkio(str_number, radix):
suma=0
i=0
for a in str_number[::-1]:
if a in string.ascii_uppercase:
if ord(a)-55>=radix:
return -1
suma+=(ord(a)-55)*(radix**i)
else:
if ord(a)-48>=radix:
return -1
suma+=(ord(a)-48)*(radix**i)
i+=1
print(suma)
return suma
#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"
Nov. 8, 2016
