NickName:Benjamin BB Ask DateTime:2018-05-05T18:20:18

Python: Combined lists iteration

I've got two lists:

synonymes = ['verb1', 'verb2', 'verb3']

phrases = ['blabla verb blabla', 'blibli verb blibli', 'verb bloblo bloblo']

and I would like to combine them to obtain this result in another list:

liste = ['blabla verb1 blabla','blabla verb2 blabla', ... 'verb3 bloblo bloblo']

the following code works but it's not very elegant, and I would like to give the 2 lists as entries of the function that's doing this job, which is impossible with this solution:

while j < len(synonymes):
    liste.append("blabla "+synonymes[j]+" blabla")
    liste.append("blibli "+synonymes[j]+" blibli")
    liste.append(synonymes[j]+" bloblo bloblo")
    j+=1

I can change the structure of these two lists if need be, as long as I can obtain this final list

What would be a proper way to do so in python?

Thanks!

EDIT : to make myself clearer, here is the exact output that I want:

["blabla verb1 blabla", "blabla verb2 blabla", "blabla verb3 blabla", "blibli verb1 blabla", "blibli verb2 blibli", "blibli verb3 blibli", "verb1 bloblo bloblo", "verb2 bloblo bloblo", "verb3 bloblo bloblo"]

With the length of synonymes and phrases both variable.

Copyright Notice：Content Author:「Benjamin BB」，Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article：https://stackoverflow.com/questions/50188344/python-combined-lists-iteration

Answers

Austin 2018-05-05T10:23:50

Use zip to pair and replace to replace:\n\n>>> synonymes = ['verb1', 'verb2', 'verb3']\n>>> phrases = ['blabla verb blabla', 'blibli verb blibli', 'verb bloblo bloblo']\n>>> [y.replace('verb', x) for x, y in zip(synonymes, phrases)]\n['blabla verb1 blabla', 'blibli verb2 blibli', 'verb3 bloblo bloblo'] \n\n\nEDIT:\n\n>>> [y.replace('verb', x) for y in phrases for x in synonymes]\n['blabla verb1 blabla', 'blabla verb2 blabla', 'blabla verb3 blabla', 'blibli verb1 blibli', 'blibli verb2 blibli', 'blibli verb3 blibli', 'verb1 bloblo bloblo', 'verb2 bloblo bloblo', 'verb3 bloblo bloblo'] \n",

Mehrdad Pedramfar 2018-05-05T10:24:53

Try this:\n\nfor i in enumerate(phrases):\n phrases[i[0]] = phrases[i[0]].replace('verb', synonymes[i[0]])\n\n\nor in one line: \n\n[phrases[i[0]].replace('verb', synonymes[i[0]]) for i in enumerate(phrases)]\n",

Fanto 2018-05-05T10:29:26

Using the same format used in your code\n\nliste = [phrase.format(verb=verb) for verb, phrase in zip(synonymes, phrases)]\n\n\nbut for make this you have to change the phrases list like this:\n\nphrases = ['blabla {verb} blabla','blabla {verb} blabla', ... '{verb} bloblo bloblo']\n",