title: Program Circumference Parallelogram
signature: pub fn program_circumference_parallelogram(a: f64, b: f64) -> f64 {
test_code: use std::collections::HashMap;
  use std::collections::HashSet;
  use std::cmp::*;
  use std::collections::*;
  use std::fmt::*; 
  
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  pub fn validate_solution(actual: f64, expected: f64)->bool{
  return (actual - expected).abs() < 1e-09
  }
  pub fn driver(a: f64, b: f64, expected: f64)->String{
      if validate_solution(PLACEHOLDER_FN_NAME(a, b), expected) {
        return "PASSED".to_string();
      };
      return "FAILED".to_string();
  
  }
  
  fn main() {
      println!("TEST-0...{}", driver(
        801.0366882228715, 456.71190645582783, 
        2515.4971893573984
      ));
      
      println!("TEST-1...{}", driver(
        -7069.610056819919, -4226.483870778477, 
        -22592.18785519679
      ));
      
      println!("TEST-2...{}", driver(
        7723.966966568705, 5894.65405158763, 
        27237.242036312673
      ));
      
      println!("TEST-3...{}", driver(
        -7935.859205856963, -5333.225064296693, 
        -26538.168540307313
      ));
      
      println!("TEST-4...{}", driver(
        6094.247432557289, 1660.420120702062, 
        15509.335106518702
      ));
      
      println!("TEST-5...{}", driver(
        -7371.490363309265, -1095.4543576847332, 
        -16933.889441987998
      ));
      
      println!("TEST-6...{}", driver(
        8368.473889617526, 4735.838330834498, 
        26208.62444090405
      ));
      
      println!("TEST-7...{}", driver(
        -3761.921143166053, -5315.871691690649, 
        -18155.585669713404
      ));
      
      println!("TEST-8...{}", driver(
        3139.1089185587884, 6490.194159517967, 
        19258.60615615351
      ));
      
      println!("TEST-9...{}", driver(
        -5218.286665567171, -8265.153014320813, 
        -26966.87935977597
      ));
      
  }
source_py: def program_circumference_parallelogram(a, b):
      return ((2 * a) + (2 * b))
source_cpp: float program_circumference_parallelogram(float a, float b) {
    return ( ( 2 * a ) + ( 2 * b ) );
  }