Convert keys and values [duplicate]

Question

I have a problem with the dictionary

I don't know how to convert keys to values

I tried to find way to solve this problem on the internet but I didn't understand

Expect: "I": 1 => 1:"I" convert = {'I': 1, 'V': 5, 'X': 10, 'L': 50, 'C': 100, 'D': 500, 'M': 1000,} new_dict ={} for k,v in convert.items(): new_dict.update({v,k})

You say "args to kwargs", but what you're actually showing is swapping keys and values. — jonrsharpe
– jonrsharpe, Commented Jan 5, 2021 at 7:52
oh sorry so what "args to kwargs" mean? Can you explain it for me? — Pham Hung
– Pham Hung, Commented Jan 5, 2021 at 8:40
See e.g. stackoverflow.com/questions/287085/what-do-args-and-kwargs-mean — jonrsharpe
– jonrsharpe, Commented Jan 5, 2021 at 8:43

Ahmed · Accepted Answer · 2021-01-05 08:23:45Z

args and kwargs are totally different things and related to something else not values and keys of dictionary..

Now, for what you're asking, you can check this code to achieve what you were asking,

Code Syntax

convy = {value: key for key, value in convert.items()}

Output

{1: 'I', 5: 'V', 10: 'X', 50: 'L', 100: 'C', 500: 'D', 1000: 'M', 4: 'IV', 9: 'IX', 40: 'XL', 90: 'XC', 400: 'CD', 900: 'CM'} [Program finished]

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