Resolved Code Cheker Errors.

[Juan-Pablo-Castillo-Velasquez]

1. Fix visibility in the init method
   Add the 'public' keyword to the init method to explicitly define visibility, addressing the bug caused by the default method being public but requiring explicit specification. This change applies only to the title of the block.
2. Fixed syntax in code formatting
3. The added white space after commas and Removed extra newline
4. Fixed syntax error with 'and' operator
5. Fixed array syntax issues.
6. Added space after comma, fixed indentation, and added trailing space
   This commit addresses minor formatting improvements: added a space after commas, fixed indentation, and included a trailing space.