Push Button Switch Module with Arduino

1int d=2;   // to store on or off value
2void setup()
3{pinMode(2,INPUT);
4pinMode(13,OUTPUT);
5
6}
7void   loop()
8{
9d=digitalRead(2);
10if(d==0)
11{digitalWrite(13,HIGH);}
12else
13{digitalWrite(13,LOW);}
14}

1int d=2;   // to store on or off value
2void setup()
3{pinMode(2,INPUT);
4pinMode(13,OUTPUT);
5
6}
7void  loop()
8{
9d=digitalRead(2);
10if(d==0)
11{digitalWrite(13,HIGH);}
12else
13{digitalWrite(13,LOW);}
14}