title: Sum Series 0 6 0 06 0 006 0 0006 N Terms
signature: pub fn sum_series_0_6_0_06_0_006_0_0006_n_terms(n: i32) -> 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(n: i32, expected: f64)->String{
      if validate_solution(PLACEHOLDER_FN_NAME(n), expected) {
        return "PASSED".to_string();
      };
      return "FAILED".to_string();
  
  }
  
  fn main() {
      println!("TEST-0...{}", driver(
        1, 
        0.5994
      ));
      
      println!("TEST-1...{}", driver(
        2, 
        0.65934
      ));
      
      println!("TEST-2...{}", driver(
        3, 
        0.665334
      ));
      
      println!("TEST-3...{}", driver(
        4, 
        0.6659334
      ));
      
      println!("TEST-4...{}", driver(
        5, 
        0.6659933400000001
      ));
      
      println!("TEST-5...{}", driver(
        74, 
        0.666
      ));
      
      println!("TEST-6...{}", driver(
        77, 
        0.666
      ));
      
      println!("TEST-7...{}", driver(
        67, 
        0.666
      ));
      
      println!("TEST-8...{}", driver(
        9, 
        0.665999999334
      ));
      
      println!("TEST-9...{}", driver(
        12, 
        0.665999999999334
      ));
      
  }
source_py: def sum_series_0_6_0_06_0_006_0_0006_n_terms(n):
      return (0.666 * (1 - (1 / pow(10, n))))
source_cpp: float sum_series_0_6_0_06_0_006_0_0006_n_terms(int n) {
    return ( 0.666 ) * ( 1 - 1 / pow ( 10, n ) );
  }