[Python] Python: will for loop over dict preserve the order in specific case

I have created a dict with predifined keys, where the keys are strings and the values are arrays. Example:

dict = {
"p1": [1,2,3],
"r1": [1,2,3],
"o1": [1,2,3],
"y1": [1,2,3],
"w1": [1,2,3]
}


Then I have logic to manipulate the values of the value arrays(increase/decrease some of the numbers). At the end I'm using for cycle to iterate over the dict like that:

[dict[f][1] for f in dict]


In this case I'm not changing the structure and I'm not adding any new elements in the dict. The question is: Can I be sure that the loop will iterate over the elements in the same order as they were defined initially or I have to specify order to be sure?

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