working example

exercises/147/info.nix

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+{
+  name = "Obedient Cat";
+  points = 5;
+  url = "https://play.picoctf.org/practice/challenge/147";
+  description = "This file has a flag in plain sight (aka \"in-the-clear\").";
+}

exercises/147/inputs/flag

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+picoCTF{s4n1ty_v3r1f13d_4a2b35fd}

exercises/147/main.py

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+if __name__ == '__main__':
+    with open('./exercises/147/inputs/flag') as file:
+        input = file.read()
+
+    print(input)