How does string interpolation work in Kotlin?

1.	How does string interpolation work in Kotlin?
Answer» STRING INTERPOLATION is a variable substitution having its value INSIDE a string. In Kotlin, the $ character is used for interpolating a variable, and the ${} is used to interpolate an EXPRESSION. Kotlin allows users the liberty of accessing variables and expressions directly from the string literals, thus ELIMINATING the need for concatenation.

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