the return value is the converted value to or from base
"""
+# For the sake of eval'ing some code
+import math
+
# used for Computer numbers base definitions.
ALPHA_NUMERIC = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
'xv'
"""
if n < 0:
- raise NotImplemented("Value out of roman comprehension")
+ raise NotImplementedError("Value out of roman comprehension")
elif n == 0:
''
elif n >= 4000:
- raise NotImplemented("Value Out of Range")
+ raise NotImplementedError("Value Out of Range")
base = 1
s = ''