ATM why can't i submit a program in TCL?

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I just completed the ATM script in TCL, but when I goto upload it TCL is not an available option!! what gives?

Unfortunately ,You cannot submit the question in TCL. Here are the languages allowed : ADA, ASM, BASH, BF, C, C99 strict, CAML, CLPS, CPP 4.3.2, CPP 4.8.1, CPP11, CS2, D, FORT, HASK, ICON, JAR, JAVA, JS, LISP clisp, LISP sbcl, LUA, NEM, NICE, NODEJS, PAS fpc, PAS gpc, PERL, PHP, PIKE, PRLG, PYTH, PYTH 3.1.2, RUBY, SCALA, SCM guile, SCM qobi, ST, WSPC as per the question description.

because codechef judge not supports that i guess.

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