CODEWITHSUNDEEP
stringpython-3.xdictionary
kieron
kieron

Reputation: 342

Python - print dict key from value within string order

I have this following code:

d = {'one' : '11111111', 'two' : '01010101', 'three' : '10101010'}

string = '01010101 11111111 10101010'

text = ''

for key, value in d.items():
    if value in string:
        text += key
print(text)

output: onetwothree

however, my desired out put is the order of the string, so: twoonethree. Is this possible when using a dictionary in python? thanks!

Upvotes: 1

Views: 76

Answers (2)

user5710871
user5710871

Reputation:

One solution is to split the string into a list and loop for every item in that list.

EDIT: The split() method returns a list of all words using a separator, in this case whitespace whitespace is used (You can call it as string.split() in case of whitespace by the way.)

dict = {'one' : '11111111', 'two' : '01010101', 'three' : '10101010'}

string = '01010101 11111111 10101010'

text = ''

for item in string.split(" "):
    for key, value in dict.items():
        if value == item:
            text += key + " "
print(text)

output: two one three

Upvotes: 1

Yoav Glazner
Yoav Glazner

Reputation: 8066

Reversing your dict(d) will help:

val2key = {value: key for key, value in d.items()}
text = "".join(val2key[value] for value in string.split())
print(text)

twoonethree

Upvotes: 2

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