$string = "Hello World"
$number = 42
$float = 3.14
$bool = $true
$null_val = $null
$programfiles = "C:\Program Files"
$add = 8
$sub = 6
$mul = 42
$div = 5
$mod = 3
$a = 10
$b = 5
$result = 30
$error_test = 3 + "invalid"

$error_status = $false
$str1 = "Hello"
$str2 = "World"
$concat = "Hello World"
$repeat = "HelloHelloHello"
$eq = $true
$ne = $true
$gt = $true
$lt = $true
$ge = $true
$le = $true
$and_op = $false
$or_op = $true
$not_op = $false
$xor_op = $true
$array = @(1,2,3,4,5)
$string_array = @("apple","banana","cherry")
$mixed = @(1,"two",3,$true)
$range1 = @(1,2,3,4,5)
$range2 = @(10,9,8,7,6,5,4,3,2,1)
$cast_int = 123
$cast_float = 3.14
$cast_string = "42"
$cast_bool = $true
$if_result = "condition true"
$else_result = "true branch"
$score = 85
$grade = "B"
for ($i = 1; $i -le 3; $i++) {
    $for_result = "iteration " + $i
}
$counter = 1
while ($counter -le 3) {
    $while_result = "count " + $counter
    $counter++
}
$items = @("a","b","c")
foreach ($item in $items) {
    $foreach_result = "item: " + $item
}
$day = "Monday"
$switch_result = "Start of week"
function Get-Double($x) {
    return $x * 2
}
function Get-Sum($a, $b) {
    return $a + $b
}
$double_result = 10
$sum_result = 10
$text = "PowerShell"
$like_test = $true
$match_test = $true
$list = @("apple","banana","cherry")
$contains_test = $true
$in_test = $true
$join_test = "apple, banana, cherry"
$split_test = @("a","b","c","d")
$replace_test = "Hello PowerShell"
$band = 1
$bor = 7
$bxor = 6
$bnot = -6
$shl = 16
$shr = 4
$inc_test = 5
5
7
$dec_test = 10
10
8
$paren_result = 21
$sub_expr = @(20)
$neg_number = -42
$neg_bool = $false
$complex = 20
$assign_add = 10
$assign_add = 15
$assign_sub = 20
$assign_sub = 17
$assign_mul = 4
$assign_mul = 12
$format_result = "Value: 42, Name: Test"
$comment_test = "after comment"
$block_comment_test = "after block comment"
$stmt1 = 1
$stmt2 = 2
$stmt3 = 3
$error1 = 1 + "bad"
$good = 10
$status = $true