foo.c:1:1: error: expected identifier or '(' before '>>' token
    1 | >>> bin(3)
      | ^~
foo.c:2:1: warning: multi-character character constant [-Wmultichar]
    2 | '0b11'
      | ^~~~~~
foo.c:4:1: warning: character constant too long for its type
    4 | '-0b1010'
      | ^~~~~~~~~

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