[Solved] Why does Ruby require local variable names to start with a lowercase letter or underscore? — Ans: To distinguish local variables from constants and global variables | Ruby

Ruby - Variables and Data Types

Why does Ruby require local variable names to start with a lowercase letter or underscore?

ATo allow spaces in variable names

BTo distinguish local variables from constants and global variables

CTo make variable names case-insensitive

DTo prevent variables from being reassigned

Step-by-Step Solution

Solution:

Step 1: Understand Ruby naming conventions purpose
Ruby uses naming rules to differentiate variable types: local variables, constants, globals.
Step 2: Explain why lowercase or underscore start is required
Starting with lowercase or underscore marks local variables, uppercase marks constants, $ marks globals.
Final Answer:
To distinguish local variables from constants and global variables -> Option B
Quick Check:
Naming rules separate variable types = true [OK]

Quick Trick: Naming rules help Ruby know variable types [OK]

Common Mistakes:

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Why does Ruby require local variable names to start with a lowercase letter or underscore?