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Python 3, 101, 98, 94 bytes First answer! lambda s:f"{(('FCGDAEB'.index(s[0])-~-ord(s[5])*('-'in s)-3*('i'in s)-6)%12)+1}"+'BA'['i'in s] Try it online! Readable version: def f(s): n="FCG...

posted 4y ago by DJMcMayhem‭ · edited 4y ago by DJMcMayhem‭

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#4: Post edited by

DJMcMayhem‭ · 2021-01-03T07:19:21Z (almost 4 years ago)

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~~# [Python 3], 98 bytes~~
First answer!
~~lambda s:f"{(('FCGDAEB'.index(s[0])-(ord(s[5])-1)*('-'in s)-(3*('i'in s))-6)%12)+1}"+'BA'['i'in s]~~
~~[Try it online!][TIO-kjgsm0bj]~~
[Python 3]: https://docs.python.org/3/
[TIO-kjgsm0bj]: https://tio.run/##hZJNb4IwGIDv/IqmyUI7wQgofiQeioqnnXZ0HliQyJBigMMW429nFdzbVzyMU/s8NHmfpuef@lhIr0mWH80pyj/jiFSLhF4YM8PVdi02gTlMZXz4ZtVutOc2K8pYLSdq6fBXZtpmKkmluKc2abfhts9fHJcPnCsdmIEwd3ezb/LoqygrsiQXg6iPBuTtRihZEOoE1OpoaL8fo/KMnAtubYenqEbKAyX6agxq01cTUEFf@XoORKdAV4jOgG4Rnetpcd9IT4qx7t5g3CZfDSNP5cOV/VXecPen6FeCckW/EpQnUCXQsUCVQCcCVQL1BaoEOhUoEuhMoEagcz0e7hmJp4egpa5dP11Em6uuzEiKkmSWJOrRdS9umNaHvGJ80R49l6msWWYRaZGEZZwbRoco5Y@H27v/93DzCw "Python 3 – Try It Online"
Readable version:
```
def f(s):
n="FCGDAEB".index(s[0])-6
if '-' in s:
n -= ord(s[5]-1)
if 'i' in s:
n -= 3
return f"{(n%12)+1}"+'BA'['i'in s]
```
~~# Python 3.9, 95 bytes:~~
~~lambda s:f"{(('FCGDAEB'.index(s[0])-(ord(s[5])-1)*('-'in s)-(3*(m:='i'in s))-6)%12)+1}"+'BA'[m]~~
Isn't the walrus operator great?
[Python 3]: https://docs.python.org/3/
[TIO-kjgsevaf]: https://tio.run/##hZI9b4MwEIZ3foVlqbLdQAQhkA8pg8nX1KljmoEqQaEJJgKGVlF@O3UgPV/IUOTBfl5Ouud055/qkCu/TmYf9SnOPncxKacJvXDOVvP1Qi4j1k/Vbv/Ny427FQ7Pi52@BvrqiVfOHJYqUmru60faPoQTihdvoI/oeVfaY5Fkm3u4rbP4Ky9KMiMXi@iPRuTtRiiZEupF1G7pynk/xMUZZQPIFs7qFFco8iGS3WgI0bIbBRBF3Sg0fSA6AjpHdAx0jejEdIv9XNMpxsZ7iXGjfLWsLFUPI/uzvOH2T9m1hGggu5YQ@RJZAh1KZAk0kMgSaCiRJdCRRJJAxxI5Ap2Y9rCPK58WwYTGdvE0iEZXj8xK8oIcbUX00rUb10@rfVZyMW1Kz0WqKn60ibJJwo9CWFaLKBWPxc3s/y2ufwE "Python 3 – Try It Online"

# [Python 3], ~~101, 98~~, 94 bytes
First answer!
lambda s:f"{(('FCGDAEB'.index(s[0])-~-ord(s[5])*('-'in s)-3*('i'in s)-6)%12)+1}"+'BA'['i'in s]
[Try it online!][TIO-kjgsycg0]
[Python 3]: https://docs.python.org/3/
[TIO-kjgsycg0]: https://tio.run/##hZJBb4IwFIDv/IqmyUI7wSgIKomHIujJ047OA4sSmVIIcNhi3F9nCO71iYdxar6PJu97af5dHTNp1/HivT5H6cc@IqUX0wtj@mq5DkTo68NE7g9frNyOdtz8MbNi35ydHX9luqknkpTctJtzcj@7/GVs8cH4Sge6L/TtXezqNPrMipIsyEUjzUd9srkRSjxCxz41Oroy345RkSNngQvM1TmqkLJBib6agAr7ygHl95Wr5kB0CnSJ6AzoGtG5mhb3jdSkGKvuEOM2@appaSIfVvZXecPdn6JfCcoS/UpQtkCVQCcCVQJ1BKoE6gpUCXQqUCTQmUCNQOdqPNwzEk8PQUlVGzwtos1tVqbFWUFOhiTNo@te3DCpDmnJuNdezYtEVuxkEGmQmJ0417QOUcofL7e7//dy/Qs "Python 3 – Try It Online"
Readable version:
```
def f(s):
n="FCGDAEB".index(s[0])-6
if '-' in s:
n -= ord(s[5]-1)
if 'i' in s:
n -= 3
return f"{(n%12)+1}"+'BA'['i'in s]
```
# Python 3.9, ~~95~~, 91 bytes:
lambda s:f"{(('FCGDAEB'.index(s[0])-~-ord(s[5])*('-'in s)-3*(m:='i'in s)-6)%12)+1}"+'BA'[m]
Isn't the walrus operator great?
[Python 3]: https://docs.python.org/3/
[TIO-kjgsevaf]: https://tio.run/##hZI9b4MwEIZ3foVlqbLdQAQhkA8pg8nX1KljmoEqQaEJJgKGVlF@O3UgPV/IUOTBfl5Ouud055/qkCu/TmYf9SnOPncxKacJvXDOVvP1Qi4j1k/Vbv/Ny427FQ7Pi52@BvrqiVfOHJYqUmru60faPoQTihdvoI/oeVfaY5Fkm3u4rbP4Ky9KMiMXi@iPRuTtRiiZEupF1G7pynk/xMUZZQPIFs7qFFco8iGS3WgI0bIbBRBF3Sg0fSA6AjpHdAx0jejEdIv9XNMpxsZ7iXGjfLWsLFUPI/uzvOH2T9m1hGggu5YQ@RJZAh1KZAk0kMgSaCiRJdCRRJJAxxI5Ap2Y9rCPK58WwYTGdvE0iEZXj8xK8oIcbUX00rUb10@rfVZyMW1Kz0WqKn60ibJJwo9CWFaLKBWPxc3s/y2ufwE "Python 3 – Try It Online"

#3: Post edited by

DJMcMayhem‭ · 2021-01-03T07:10:48Z (almost 4 years ago)

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~~# [Python 3], 101 bytes~~
First answer!
~~lambda s:f"{(('FCGDAEB'.index(s[0])-(ord(s[5])-1)*('-'in s)-(3*('i'in s))-6)%12%12)+1}"+'BA'['i'in s]~~
~~[Try it online!][TIO-kjgsevaf]~~
Readable version:
```
def f(s):
n="FCGDAEB".index(s[0])-6
if '-' in s:
n -= ord(s[5]-1)
if 'i' in s:
n -= 3
return f"{(n%12)+1}"+'BA'['i'in s]
```
[Python 3]: https://docs.python.org/3/
[TIO-kjgsevaf]: https://tio.run/##hZI9b4MwEIZ3foVlqbLdQAQhkA8pg8nX1KljmoEqQaEJJgKGVlF@O3UgPV/IUOTBfl5Ouud055/qkCu/TmYf9SnOPncxKacJvXDOVvP1Qi4j1k/Vbv/Ny427FQ7Pi52@BvrqiVfOHJYqUmru60faPoQTihdvoI/oeVfaY5Fkm3u4rbP4Ky9KMiMXi@iPRuTtRiiZEupF1G7pynk/xMUZZQPIFs7qFFco8iGS3WgI0bIbBRBF3Sg0fSA6AjpHdAx0jejEdIv9XNMpxsZ7iXGjfLWsLFUPI/uzvOH2T9m1hGggu5YQ@RJZAh1KZAk0kMgSaCiRJdCRRJJAxxI5Ap2Y9rCPK58WwYTGdvE0iEZXj8xK8oIcbUX00rUb10@rfVZyMW1Kz0WqKn60ibJJwo9CWFaLKBWPxc3s/y2ufwE "Python 3 – Try It Online"

# [Python 3], 98 bytes
First answer!
lambda s:f"{(('FCGDAEB'.index(s[0])-(ord(s[5])-1)*('-'in s)-(3*('i'in s))-6)%12)+1}"+'BA'['i'in s]
[Try it online!][TIO-kjgsm0bj]
[Python 3]: https://docs.python.org/3/
[TIO-kjgsm0bj]: https://tio.run/##hZJNb4IwGIDv/IqmyUI7wQgofiQeioqnnXZ0HliQyJBigMMW429nFdzbVzyMU/s8NHmfpuef@lhIr0mWH80pyj/jiFSLhF4YM8PVdi02gTlMZXz4ZtVutOc2K8pYLSdq6fBXZtpmKkmluKc2abfhts9fHJcPnCsdmIEwd3ezb/LoqygrsiQXg6iPBuTtRihZEOoE1OpoaL8fo/KMnAtubYenqEbKAyX6agxq01cTUEFf@XoORKdAV4jOgG4Rnetpcd9IT4qx7t5g3CZfDSNP5cOV/VXecPen6FeCckW/EpQnUCXQsUCVQCcCVQL1BaoEOhUoEuhMoEagcz0e7hmJp4egpa5dP11Em6uuzEiKkmSWJOrRdS9umNaHvGJ80R49l6msWWYRaZGEZZwbRoco5Y@H27v/93DzCw "Python 3 – Try It Online"
Readable version:
```
def f(s):
n="FCGDAEB".index(s[0])-6
if '-' in s:
n -= ord(s[5]-1)
if 'i' in s:
n -= 3
return f"{(n%12)+1}"+'BA'['i'in s]
```
# Python 3.9, 95 bytes:
lambda s:f"{(('FCGDAEB'.index(s[0])-(ord(s[5])-1)*('-'in s)-(3*(m:='i'in s))-6)%12)+1}"+'BA'[m]
Isn't the walrus operator great?
[Python 3]: https://docs.python.org/3/
[TIO-kjgsevaf]: https://tio.run/##hZI9b4MwEIZ3foVlqbLdQAQhkA8pg8nX1KljmoEqQaEJJgKGVlF@O3UgPV/IUOTBfl5Ouud055/qkCu/TmYf9SnOPncxKacJvXDOVvP1Qi4j1k/Vbv/Ny427FQ7Pi52@BvrqiVfOHJYqUmru60faPoQTihdvoI/oeVfaY5Fkm3u4rbP4Ky9KMiMXi@iPRuTtRiiZEupF1G7pynk/xMUZZQPIFs7qFFco8iGS3WgI0bIbBRBF3Sg0fSA6AjpHdAx0jejEdIv9XNMpxsZ7iXGjfLWsLFUPI/uzvOH2T9m1hGggu5YQ@RJZAh1KZAk0kMgSaCiRJdCRRJJAxxI5Ap2Y9rCPK58WwYTGdvE0iEZXj8xK8oIcbUX00rUb10@rfVZyMW1Kz0WqKn60ibJJwo9CWFaLKBWPxc3s/y2ufwE "Python 3 – Try It Online"

#2: Post edited by

DJMcMayhem‭ · 2021-01-03T07:03:15Z (almost 4 years ago)

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~~# Python, 101 bytes~~
First answer!
lambda s:f"{(('FCGDAEB'.index(s[0])-(ord(s[5])-1)*('-'in s)-(3*('i'in s))-6)%12%12)+1}"+'BA'['i'in s]
Readable version:
```
def f(s):
n="FCGDAEB".index(s[0])-6
if '-' in s:
n -= ord(s[5]-1)
if 'i' in s:
n -= 3
return f"{(n%12)+1}"+'BA'['i'in s]
```

# [Python 3], 101 bytes
First answer!
lambda s:f"{(('FCGDAEB'.index(s[0])-(ord(s[5])-1)*('-'in s)-(3*('i'in s))-6)%12%12)+1}"+'BA'['i'in s]
[Try it online!][TIO-kjgsevaf]
Readable version:
```
def f(s):
n="FCGDAEB".index(s[0])-6
if '-' in s:
n -= ord(s[5]-1)
if 'i' in s:
n -= 3
return f"{(n%12)+1}"+'BA'['i'in s]
```
[Python 3]: https://docs.python.org/3/
[TIO-kjgsevaf]: https://tio.run/##hZI9b4MwEIZ3foVlqbLdQAQhkA8pg8nX1KljmoEqQaEJJgKGVlF@O3UgPV/IUOTBfl5Ouud055/qkCu/TmYf9SnOPncxKacJvXDOVvP1Qi4j1k/Vbv/Ny427FQ7Pi52@BvrqiVfOHJYqUmru60faPoQTihdvoI/oeVfaY5Fkm3u4rbP4Ky9KMiMXi@iPRuTtRiiZEupF1G7pynk/xMUZZQPIFs7qFFco8iGS3WgI0bIbBRBF3Sg0fSA6AjpHdAx0jejEdIv9XNMpxsZ7iXGjfLWsLFUPI/uzvOH2T9m1hGggu5YQ@RJZAh1KZAk0kMgSaCiRJdCRRJJAxxI5Ap2Y9rCPK58WwYTGdvE0iEZXj8xK8oIcbUX00rUb10@rfVZyMW1Kz0WqKn60ibJJwo9CWFaLKBWPxc3s/y2ufwE "Python 3 – Try It Online"

#1: Initial revision by

DJMcMayhem‭ · 2021-01-03T06:48:38Z (almost 4 years ago)

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# Python, 101 bytes

First answer!

    lambda s:f"{(('FCGDAEB'.index(s[0])-(ord(s[5])-1)*('-'in s)-(3*('i'in s))-6)%12%12)+1}"+'BA'['i'in s]

Readable version:

```
def f(s):
 n="FCGDAEB".index(s[0])-6
 if '-' in s:
  n -= ord(s[5]-1)
 if 'i' in s:
  n -= 3

 return f"{(n%12)+1}"+'BA'['i'in s]
```

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