Feature: Code Autocompletion Based on Starting Characters

[BhanuGoel1312]

Feature description

Currently, the code editor lacks the complete ability to suggest keywords and identifiers based on their starting characters, which would significantly enhance the coding experience by improving efficiency and reducing syntax errors.

I propose the addition of a "Code Autocompletion" feature that suggests keywords, variables, functions, and other code elements based on the characters that have been typed so far. This autocomplete functionality can be a valuable addition to the editor, making it more developer-friendly.

Though It suggests some keywords such as "cout", "include" but not "cin", "float" etc.

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