Keg, 3 2 bytes

#?

No TIO yet as this uses the most recent interpreter

Explained

#? #Implicit cat
?# Reversed input

Heh. That's right. Keg can stand up to those 2-byte answers too (and using pure, plain ASCII)!

Old Program

^#?

Try it online! Or !enilno ti yrT

Because two can play the 3-byte game. That's why. (did I mention that's 3 bytes of utf8 ASCII?)

^#? #Reverse an empty stack, taking implicit input

?#^ #take input

Keg, 3 2 bytes

#?

Try it online! or !enilno ti yrT

Explained

#? #Implicit cat
?# Reversed input

Heh. That's right. Keg can stand up to those 2-byte answers too (and using pure, plain ASCII)!

Old Program

^#?

Try it online! Or !enilno ti yrT

Because two can play the 3-byte game. That's why. (did I mention that's 3 bytes of utf8 ASCII?)

^#? #Reverse an empty stack, taking implicit input

?#^ #take input

Keg, 3 bytes

^#?

Try it online! Or !enilno ti yrT

Because two can play the 3-byte game. That's why. (did I mention that's 3 bytes of utf8?)

^#? #Reverse an empty stack, taking implicit input

?#^ #take input

Keg, 3 2 bytes

#?

No TIO yet as this uses the most recent interpreter

Explained

#? #Implicit cat
?# Reversed input

Heh. That's right. Keg can stand up to those 2-byte answers too (and using pure, plain ASCII)!

Old Program

^#?

Try it online! Or !enilno ti yrT

Because two can play the 3-byte game. That's why. (did I mention that's 3 bytes of utf8 ASCII?)

^#? #Reverse an empty stack, taking implicit input

?#^ #take input