Question: Construct an unambiguous context free grammar for the following: Bracketed lists of zero or more numbers, separated by commas: This grammar should use only four

Construct an unambiguous context free grammar for the following:

Bracketed lists of zero or more numbers, separated by commas: This grammar should use only four terminal symbols: open bracket, close bracket, comma, and number.

Examples: "[ ]" "[ number ]" "[ number , number ]" "[ number , number , number ]"

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