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First solution in Clear category for Number Base by szymonkukla1
def checkio(str_number, radix):
i = 0
a = str_number
sys = radix
while(i < len(a)):
if(ord(a[i]) >= 60):
if(ord(a[i])-55 >= sys):
return -1
if(ord(a[i]) < 60):
if(ord(a[i])-48 >= sys):
return -1
i = i + 1
return int(a,sys)
#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. 7, 2016
