Changed the abbreviation 'idx' to 'i' in the 'random.go' file. This change makes the variable roles much clearer and aligns the naming with Go's best practice, enhancing readability and maintainability.
Adjusted variable names in several functions and improved code readability. Full, descriptive names have replaced abbreviations to make the codes self-explanatory. The change is aimed at enhancing code maintenance and adhering to Go's best practices for naming conventions.