python - Finding common characters -

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q: best approach tackling problem?

for example, if 2 values "chocolate" , "cockroach" function should return "choa"

research:

i have found find(),or making list witch helpful structuring function.

code: having issues!

value1 = input("please input word: ") value2 = input("please input second word: ") [how find similar letters in 2 words] print(similar_letters)

example:

 please input word: hello  please input second word: hey letters in word : 'he'

perhaps meant common characters? use sets, long don't mind remove duplicates , change order of elements:

s1 = set("chocolate") s2 = set("cockroach")  "".join(s1 & s2) => "ahco"

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