comefrom: <gouthampradhan>math_CouplesHoldingHands_1.java
code: private int find(int[] A, int n) {
      for (int i = 0; i < A.length; i++) {
        if (A[i] == n) {
          return i;
        }
      }
      return -1;
    }
masked: private int sample_funcname ( int [ ] var_0 , int var_1 ) {
    for ( int var_2 = 0 ;
    var_2 < var_0 . length ;
    var_2 ++ ) {
      if ( var_0 [ var_2 ] == var_1 ) {
        return var_2 ;
      }
    }
    return - 1 ;
  }
  