Inserting the same value multiple times when formatting a string

user_146617 0
Viewed 131156

I have a string of this form

s='arbit'
string='%s hello world %s hello world %s' %(s,s,s)

All the %s in string have the same value (i.e. s). Is there a better way of writing this? (Rather than listing out s three times)

format python string
6 Answers

You can use advanced string formatting, available in Python 2.6 and Python 3.x:

incoming = 'arbit'
result = '{0} hello world {0} hello world {0}'.format(incoming)
Adam_Rosenfield_95300 
incoming = 'arbit'
result = '%(s)s hello world %(s)s hello world %(s)s' % {'s': incoming}

You may like to have a read of this to get an understanding: String Formatting Operations.

mhawke_219450

You can use the dictionary type of formatting:

s='arbit'
string='%(key)s hello world %(key)s hello world %(key)s' % {'key': s,}
Lucas_S_73630

Depends on what you mean by better. This works if your goal is removal of redundancy.

s='foo'
string='%s bar baz %s bar baz %s bar baz' % (3*(s,))
user_1286320
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