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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]
I have a = [1,2,3,4] and I want d = {1:0, 2:0, 3:0, 4:0}
5 Answers
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Print list without brackets in a single row
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edited Oct 5 '18 at 14:51
Jean-François Fabre♦
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answered Mar 14 '10 at 22:36
mythzmythz
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428
Before proceeding further with the fuss of immutability, let's just take a look into the Strin...
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Zanon
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answered Oct 3 '09 at 19:07
sepp2ksepp2k
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Starting with Ruby 2.4.0, you may use RegExp#match?:
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