syntax - combining strings using string substitution - python -

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hey guys, want perform following operation:

b = 'random'  c = 'stuff'   = '%s' + '%s' %(b, c)

but following error:

typeerror: not arguments converted during string formatting

does 1 of know ?

depending on want :

>>> b = 'random' >>> c = 'stuff' >>>  = '%s' %b + '%s' % c >>> 'randomstuff' >>>   >>> b + c 'randomstuff' >>>  >>> z = '%s + %s' % (b, c) >>> z 'random + stuff' >>>

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