Creating acronyms in Python

Question

In Python, how do I make an acronym of a given string?

Like, input string:

'First Second Third'

Output:

'FST'

I am trying something like:

>>> for e in x:
        print e[0]

But it is not working... Any suggestions on how this can be done? I am sure there is a proper way of doing this but I can't seem to figure it out. Do I have to use re?

Answer 1

Try

print "".join(e[0] for e in x.split())

Your loop actually loops over all characters in the string x. If you would like to loop over the words, you can use x.split().

Answer 2

If you want to use capitals only

>>>line = ' What AboutMe '
>>>filter(str.isupper, line)
'WAM'

What about words that may not be Leading Caps.

>>>line = ' What is Up '
>>>''.join(w[0].upper() for w in line.split())
'WIU'

What about only the Caps words.

>>>line = ' GNU is Not Unix '
>>>''.join(w[0] for w in line.split() if w[0].isupper())
'GNU'