String concatenation and f-string interpolation in Python
The core principle distinguishes between two mechanisms for composite string construction: string concatenation via operator addition and string interpolation via f-string formatting. Concatenation is formally defined as the syntactic operation of merging sequences, while interpolation is defined as an execution-time injection mechanism where expressions within curly braces are evaluated and coerced into string representations prior to assembly. This duality represents a fundamental abstraction in programming language theory regarding the separation of data definition from expression evaluation within literal text.
String concatenation and f-string interpolation in Python
The core principle distinguishes between two mechanisms for composite string construction: string concatenation via operator addition and string interpolation via f-string formatting. Concatenation i…