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##Canvas , (削除) 4 (削除ここまで) 3 bytes ]∑

Try it here!

####Explanation: Push input to stack (implicit) For each character in the input: (implicit) Push the character to the stack (implicit) Push " " to the stack ] Collapse results from loop into an array ∑ Join the array into a single string Print the ToS (implicit)

-1 byte thanks to dzaima!

Canvas , (削除) 4 (削除ここまで) 3 bytes

 ]∑

Try it here!

Explanation:

 Push input to stack (implicit)
 For each character in the input: (implicit)
 Push the character to the stack (implicit)
 Push " " to the stack
] Collapse results from loop into an array
∑ Join the array into a single string
 Print the ToS (implicit)

-1 byte thanks to dzaima!

##Canvas, 4 bytes { ]∑

Try it here!

Explanation:

 Push input to stack (implicit)
{ For each character in the input:
 Push the character to the stack (implicit)
 Push " " to the stack
] Collapse results from loop into an array
∑ Join the array into a single string
 Print the ToS (implicit)

##Canvas, (削除) 4 (削除ここまで) 3 bytes ]∑

Try it here!

####Explanation: Push input to stack (implicit) For each character in the input: (implicit) Push the character to the stack (implicit) Push " " to the stack ] Collapse results from loop into an array ∑ Join the array into a single string Print the ToS (implicit)

-1 byte thanks to dzaima !