REPL for wu

[zaxebo1]

Just like lua has its own REPL(read-eval-print-loop), as in example below:

bash% lua
Lua 5.4.2 Copyright (C) 1994-2020 Lua.org, PUC-Rio

print("hi")
hi

function f1(x)

print("hi")
end

f1()
hi

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In the same way please implement REPL for wu