foo.cc: In function 'int main()':
foo.cc:34:2: error: expected ',' or ';' before 'for'
   34 |  for(int i=0;i<7;i++){
      |  ^~~
foo.cc:34:14: error: 'i' was not declared in this scope
   34 |  for(int i=0;i<7;i++){
      |              ^

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