# SWAP Statement

#### Purpose:

To exchange the values of two variables.

#### Syntax:

    SWAP variable1,variable2

#### Comments:

Any type variable may be swapped (integer, single-precision, double-precision, string), but the two variables must be of the same type or a "Type mismatch" error results.

#### Examples:

    LIST
    10 A$="ONE ": B$="ALL ": C$="FOR "
    20 PRINT A$ C$ B$
    30 SWAP A$, B$
    40 PRINT A$ C$ B$
    RUN
     ONE FOR ALL
     ALL FOR ONE

Line 30 swaps the values in the A$ and B$ strings.