For loop not considering all line in my file.txt

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1.00/5 (1 vote)

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The evenements.txt has a total of 160 lines. I wont go into too many details as i want to be able to learn the rest of the code by myself. But when i run this code using the for loop in liste_evenement , i believe it only returns the last line of the evenements.txt instead of all lines. What am i missing? The code is supossed to return a list of events separated in different lists. So there are lists in my list and im using the .split to separate the element in my lists(this is related to my evaluation but this isnt about my question, i am just giving you guys some background). But my actual question here is about the problem when i print my words which is not returning the whole file.

with open("evenements.txt", "r", encoding="utf-8-sig") as evenement:
    liste_evenement = evenement.readlines()

    words = []
    for line in liste_evenement:
        words = line.split(" ")
    
    print(words)

Code has to return :

[['Danse', 'Samedi de danser...', 202, 202],
                      ['Musique', 'Peter Gunn : spécial rétro francophone', 203, 205],
                      ['Musique', 'Eletric Power Trio', 212, 212],
                      ['Théâtre', 'Hamlet', 212, 212]]

its french, but you get the picture. so every lists of my global list is an event. And so far its only returning :

['Musique/Festival', 'OFF', 'de', 'Québec/2018-07-04/2018-07-08']

I believe this is the last line of file that has a total of 160 lines as mentionned. Now if you could also help me remove those '/' in the code, thatd be great. Because im having a hard time manipulating list. Thank you !

EDIT : I managed to put them all in different lists but im having trouble adding them all to another list and im also having trouble removing the '\n'

Updated code :

with open("evenements.txt", "r", encoding="utf-8-sig") as evenement:
    liste_evenement = evenement.readlines()

    words = []

    for line in liste_evenement:
        words = line.split("/")

        print(words)

Heres what its returning right now :

['Musique', 'Shawn Phillips', '2018-08-24', '2018-08-24\n']
['Musique', "L'avenue Royale fête l'été!", '2018-08-25', '2018-08-25\n']'['Musique', 'Perséides musicales', '2018-08-03', '2018-08-03\n']
['Musique', 'Gaétan Leclerc chante Félix et…', '2018-08-17', '2018-08-17\n']
['Musique', 'The Ring of Fire : a Johnny Cash Experience', '2018-07-21', '2018-07-21\n']
['Musique', "Jazz'Art", '2018-07-27', '2018-07-29\n']
['Musique', 'Génération Crooners', '2018-07-07', '2018-07-07\n']
['Musique', 'Fiesta Latina avec Me llamo Son', '2018-07-14', '2018-07-14\n']
['Musique', "L'avenue Royale fête l'été!", '2018-08-25', '2018-08-25\n']
['Musique', 'Concert au jardin', '2018-07-04', '2018-07-04\n']
['Musique', 'Concert au jardin', '2018-07-11', '2018-07-11\n']

And i want it to return :

[['Musique', 'Shawn Phillips', '2018-08-24', '2018-08-24]
['Musique', "L'avenue Royale fête l'été!", '2018-08-25', '2018-08-25]
['Musique', 'Perséides musicales', '2018-08-03', '2018-08-03]
['Musique', 'Gaétan Leclerc chante Félix et…', '2018-08-17', '2018-08-17]'['Musique', 'The Ring of Fire : a Johnny Cash Experience', '2018-07-21', '2018-07-21]
['Musique', "Jazz'Art", '2018-07-27', '2018-07-29]
['Musique', 'Génération Crooners', '2018-07-07', '2018-07-07]'['Musique', 'Fiesta Latina avec Me llamo Son', '2018-07-14', '2018-07-14]
['Musique', "L'avenue Royale fête l'été!", '2018-08-25', '2018-08-25]
['Musique', 'Concert au jardin', '2018-07-04', '2018-07-04]'['Musique', 'Concert au jardin', '2018-07-11', '2018-07-11]]

So im having trouble doing a list of those lists and removing the '\n' in my lists.

What I have tried:

I tried so many things that i cant even remember. This is the only code that allowed me to remove the backslash while being able to seperate my list with a " " using the split function. I had a hard time using .split() and a bunch of other stuff on a list.

Posted 9-Oct-18 19:12pm

Member 13870077

Updated 10-Oct-18 7:55am

v3

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Comments

Mohibur Rashid 10-Oct-18 1:35am

Look for two dimentional array

Richard MacCutchan 10-Oct-18 3:19am

If it was you who voted a 1 to all those answers, you need to read through them again and ask yourself what is wrong with them.

Patrice T 10-Oct-18 13:48pm

you should add updated code.

3 solutions

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OriginalGriff · Accepted Answer · 2018-10-09T20:12:00

Solution 1

Well yes - it will.
Each time you go round the loop, you overwrite the content of words - so teh only text you see after the loop is the last one you added.

You need to use the append method: Python Arrays[^]

Posted 9-Oct-18 20:12pm

OriginalGriff

Patrice T · Accepted Answer · 2018-10-09T20:14:00

Quote:
What am i missing? The code is suposed to return a list of events separated in different lists.

Python

with open("evenements.txt", "r", encoding="utf-8-sig") as evenement:
    liste_evenement = evenement.readlines()

    words = []
    for line in liste_evenement:
        words = line.split(" ") # replace variable words with the words of current line
                                # but previous contain is lost
    
    print(words) # this prints list of words, but only after the loop

Python

with open("evenements.txt", "r", encoding="utf-8-sig") as evenement:
    liste_evenement = evenement.readlines()

    words = []
    for line in liste_evenement:
        words = line.split(" ")
        print(words) # this prints list of words for each line

To get the result you want, you need to append the result of line.split(" ") in words.
see documentation for details.

Maciej Los · Accepted Answer · 2018-10-09T20:15:00

Solution 3

On the first look, you have to split lines on multiple delimiters:

[
]
,

[EDIT]
Seems you need a second loop too - to be able to print single "word".

See:
How to use Split in Python[^]
Python: Split string with multiple delimiters - Stack Overflow[^]
ForLoop - Python Wiki[^]

Posted 9-Oct-18 20:15pm

Maciej Los

Updated 9-Oct-18 20:26pm

v2