how about just testing it's length? >>> from types import StringType
def stringTest(x):
... if type(x) == StringType:
... if len(x) == 0:
... print 'Empty String'
... else:
... print 'Not Empty String'
... else:
... print 'value not String Type'
...
lst = ['a','',5,(5,6),{'a':5}]
for item in lst:
... stringTest(item)
...
Not Empty String
Empty String
value not String Type
value not String Type
value not String Type
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