Statement using Equivalent Perl assignment operator statement
$a = 1; assignment
$a -= 1; $a = $a - 1;
$a *= 2; $a = $a * 2;
$a /= 2; $a = $a / 2;
$a %= 2; $a = $a % 2;
$a **= 2; $a = $a ** 2;
$a &= 2; $a = $a & 2;
$a |= 2; $a = $a | 2;
$a ^= 2; $a = $a ^ 2;