Pandas - str.pad()/zfill() - Pad Strings
• str.pad() offers flexible string padding with configurable width, side (left/right/both), and fillchar parameters, while str.zfill() specializes in zero-padding numbers with sign-aware behavior
• str.pad() offers flexible string padding with configurable width, side (left/right/both), and fillchar parameters, while str.zfill() specializes in zero-padding numbers with sign-aware behavior