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First solution in Clear category for Number Base by zgub4
def checkio(str_number, radix):
current_power = len(str_number) - 1
final_value = 0
for c in str_number:
value = 0
if c.isdigit():
value = int(c)
else:
value = ord(c) - 55
if value >= radix or value < 0:
return -1
final_value += (value * (radix ** current_power))
current_power -= 1
return final_value
#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. 21, 2017