title: Find Perimeter Cylinder
signature: pub fn find_perimeter_cylinder(diameter: i32, height: i32) -> i32 {
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: i32, expected: i32)->bool{
  return actual==expected
  }
  pub fn driver(diameter: i32, height: i32, expected: i32)->String{
      if validate_solution(PLACEHOLDER_FN_NAME(diameter, height), expected) {
        return "PASSED".to_string();
      };
      return "FAILED".to_string();
  
  }
  
  fn main() {
      println!("TEST-0...{}", driver(
        70, 78, 
        296
      ));
      
      println!("TEST-1...{}", driver(
        97, 46, 
        286
      ));
      
      println!("TEST-2...{}", driver(
        49, 26, 
        150
      ));
      
      println!("TEST-3...{}", driver(
        56, 61, 
        234
      ));
      
      println!("TEST-4...{}", driver(
        87, 79, 
        332
      ));
      
      println!("TEST-5...{}", driver(
        64, 21, 
        170
      ));
      
      println!("TEST-6...{}", driver(
        75, 93, 
        336
      ));
      
      println!("TEST-7...{}", driver(
        90, 16, 
        212
      ));
      
      println!("TEST-8...{}", driver(
        55, 16, 
        142
      ));
      
      println!("TEST-9...{}", driver(
        73, 29, 
        204
      ));
      
  }
source_py: def find_perimeter_cylinder(diameter, height):
      return (2 * (diameter + height))
source_cpp: int find_perimeter_cylinder(int diameter, int height) {
    return 2 * ( diameter + height );
  }