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def test_in(s):
"""
>>> test_in('ABC')
1
>>> test_in('abc')
2
>>> test_in('X')
3
>>> test_in('XYZ')
4
>>> test_in('ABCXYZ')
5
>>> test_in('')
5
"""
if s in (u'ABC', u'BCD', u'ABC'[:3], u'ABC'[::-1], u'ABC'[-1]):
return 1
elif s.upper() in (u'ABC', u'BCD'):
return 2
elif len(s) in (1,2):
return 3
elif len(s) in (3,4):
return 4
else:
return 5
def test_not_in(s):
"""
>>> test_not_in('abc')
1
>>> test_not_in('CDE')
2
>>> test_not_in('CDEF')
3
>>> test_not_in('BCD')
4
"""
if s not in (u'ABC', u'BCD', u'CDE', u'CDEF'):
return 1
elif s.upper() not in (u'ABC', u'BCD', u'CDEF'):
return 2
elif len(s) not in [3]:
return 3
elif len(s) not in [1,2]:
return 4
else:
return 5
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