Use of a variable in parent loop

[Stephane Tougard]

On 2020-09-28, MRAB <python at mrabarnett.plus.com> wrote:
> It's used where the language requires a statement.
>
> In, say, C, you would use empty braces:
>
>      while (process_next_item()) {
>          /* Do nothing. */
>      }

If I want to express nothing in C, I put nothing and it works fine.

#include <stdio.h>

int main(int argc, char * argv[])
{
  if(1 == 1)
    ;
  printf("Hello\n");
  return 0;
    }

>      while process_next_item():
>          # Do nothing.
>          pass

while p():
	# do nothing
	continue