How to declare many variables?

Question

Here is the letters:

letters=\'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\'

I made a list of it with this:

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Answer 1

An alternative to list comprehensions is to use map

In [841]: letters='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'

In [842]: chars = list(map(lambda l: 0, letters))

Or if you want a dict like the other answers are suggesting

In [844]: dict(map(lambda l: (l, 0), letters))

I generally find list/dict comprehensions to both be faster and more readable (to me at least). This is just a different approach