Trying to get unique words from a set of strings

[garam0]

when I execute the following code I get ['red', 'pink', 'red', 'white', 'blue']. I cannot understand why there are 2 'red' words. Can someone help me with this?

string ='red,red,white,white,pink,blue,red,white,blue'
wordlist = string.split(',')
for word in wordlist:
if wordlist.count(word) > 1:
wordlist.remove(word)
print(wordlist)

thank you

---

when I execute the following code I get ['red', 'pink', 'red', 'white', 'blue']. I cannot understand why there are 2 'red' words. Can someone help me with this?

string ='red,red,white,white,pink,blue,red,white,blue'
wordlist = string.split(',')
for word in wordlist:
if wordlist.count(word) > 1:
wordlist.remove(word)
print(wordlist)

thank you

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[python]string ='red,red,white,white,pink,blue,white,white,blue,blue,white' wordlist = string.split(',') print(wordlist) i = 0 for word in wordlist:     if wordlist.count(word) > 1:         wordlist.remove(word) print(wordlist)

[/python]

[bowlofred]

You are attempting to iterate through the list and delete elements from it at the same time. This confuses the iterator. You could iterate over a copy of the list, or delete them through other methods.

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string ='red,red,white,white,pink,blue,white,white,blue,blue,white' wordlist = string.split(',') print(wordlist) i = 0 for word in list(wordlist):   # list() makes a new list object     if wordlist.count(word) > 1:         wordlist.remove(word) print(wordlist)

[deanhystad]

You should never remove items from the thing you are iterating. Instead build a new list that has the desired characteristics.

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string ='red,red,white,white,pink,blue,white,white,blue,blue,white' wordlist = string.split(',') print(wordlist)   # Make a list only containing unique words uniquewords = [word for word in wordlist if wordlist.count(word) == 1] print('Unique colors', uniquewords)   # Make a list where each word only occurs once colors = set(wordlist) print('Colors', colors)

[menator01]

Solution I came up with:

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string ='red,red,white,white,pink,blue,white,white,blue,blue,white' wordlist = string.split(',') # print(wordlist)   for word in wordlist:     while wordlist.count(word) > 1:         wordlist.remove(word) print(f'{wordlist}')

Output:
['red', 'pink', 'blue', 'white']

[ndc85430]

Do you actually care about the order? If not, just use a set instead of a list.

[garam0]

thank you all for your help!