Python text to determine if the object is a class string

python text Determine if a class string is inside an object

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Determine if a class string is inside an object

usually immediately think of using type () to achieve

>>> def isexactlyastring(obj):
      returntype (obj) isType ("')
 
>>> isexactlyastring (1)
  False
>>> isexactlyastring (' 1 ')
  True
>>>

And also

>>>def isastring(obj):
      Try: obj+"'
      except:return False
      Else:return True
 
 
>>> isastring (1)
  False
>>> isastring (' 1 ')
  True
>>> isastring ({1})
  False
>>> isastring ([' 1 '])
  False
>>>

Although the use of ideas and methods are useless, but if the python features, we can find a better way to: isinstance (OBJ,STR)

>>> def isastring(obj):
      returnIsinstance (OBJ,STR)
 
>>> isastring (1)
  False
>>> isastring (' 1 ')
  True
>>>

Stras aPython3inside the only String class, we can detect if the string isStrinstances of

Python text determines if a class string is inside the object