How do we can convert below list to a map in Salesforce

Salesforce Latest scenario-based Interview Questions :

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[sivakumar]

Ultimate your Interview questions series do more Your explanation next level.... thank you so much for your valuable videos.

[bhai-fslh]

really helpful...share more scenarios...what a explanation sir it's awesome....thank you so much

[chithraprakash]

Excellent explanation. Very useful video. Just the concepts that I was looking for. Please upload more videos on map, list

[manasagowda]

Sir please let us know once you conduct online training for lighting aura and web component