Code problem


void setup() {
  pinmode(9,output);
  pinmode(2,input);
}
int pulsante=0;
void loop() {
  pulsante=digitalread(2);
  if(pulsante==low)
  {
    digitalwrite(9,high);
  }
  else{
    digitalwrite(9,low);
  }
}
it shows no errors , seems correct doesn't work when upload on arduino. see errors?

quote
it doesn't work
what ?
what should ?

what connected pin 9 ?
how input wired ?


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