for..in, foreach

Python

py
for v in items:
  print(v)

swift
for v in items {
  print(v)
}

where で絞れる

swift
for v in items where v != "x" {
    print(v)
}

ts
for (const v of items) {
  console.log(v);
}

for .. in は他の言語と異なり、取れるのが index なので注意

ts
for (const i in items) {
  console.log(items[i])
}

bash
for v in "a" "b" "c" "d" "e"
do
  echo $v
done

bash
for i in `seq 1 5`
do
  echo $i
done

rb
for v in ['a', 'b', 'c', 'd', 'e']
  puts v
end

rb
items.each {|v|
  puts v
}

powershell
1..10 | ForEach-Object {
    echo $_
}

batch
for /L %i in (1,1,10) do ( echo %i )