def decode(encoded):
"""
Decodes a base64 encoded string.
:param encoded: base64 encoded string
:param alphabet: alphabet to use in the decoding
:return: decoded value
"""
return BaseCodec.decode(encoded, ALPHABET)
def decode(encoded, alphabet=Base62Alphabet.NLU):
"""
Decodes a base62 encoded string.
:param encoded: base62 encoded string
:param alphabet: alphabet to use in the decoding
:return: decoded value
"""
if len(alphabet) != 62:
raise Exception('Invalid alphabet')
return BaseCodec.decode(encoded, alphabet)
