title: Count Characters Position English Alphabets
signature: int countCharactersPositionEnglishAlphabets(string str) {
test_code: #include <algorithm>
  #include <assert.h>
  #include <cstdlib>
  #include <iostream>
  #include <map>
  #include <set>
  #include <string>
  #include <tuple> 
  #include <unordered_map>
  #include <vector>
  #include <math.h>
  #include <cmath>
  #include <bits/stdc++.h>
  #include <numeric>
  #include <functional>
  
  using namespace std;
  
  // SOLUTION CODE
  // ============================================
  PLACEHOLDER_CODE_BODY
  
  // TESTING CODE 
  // ============================================
  bool validateSolution(int actual, int expected){
      return actual == expected;
  }
  
  string driver(string str, int expected){
      try
      {
          if (validateSolution(PLACEHOLDER_FN_NAME(str), expected)){
              return "PASSED";
          }
          return "FAILED";
      }
      catch (const std::overflow_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::runtime_error& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (const std::exception& exception_obj)
      {
          return typeid(exception_obj).name();
      }
      catch (...)
      {
          return "UNK_ERROR";
      }
  }
  
  int main() {
      string result = "";
  
      result = driver("lLkhFeZGcb", 0); 
      cout << "TEST-" << 0 << "..."
           <<  result
           << "\n";
  
      result = driver("ABcED", 3); 
      cout << "TEST-" << 1 << "..."
           <<  result
           << "\n";
  
      result = driver("geeksforgeeks", 1); 
      cout << "TEST-" << 2 << "..."
           <<  result
           << "\n";
  
      result = driver("Alphabetical", 3); 
      cout << "TEST-" << 3 << "..."
           <<  result
           << "\n";
  
      result = driver("abababab", 2); 
      cout << "TEST-" << 4 << "..."
           <<  result
           << "\n";
  
      result = driver("bcdefgxyz", 0); 
      cout << "TEST-" << 5 << "..."
           <<  result
           << "\n";
  
      result = driver("cBzaqx L", 1); 
      cout << "TEST-" << 6 << "..."
           <<  result
           << "\n";
  
      result = driver(" bcd", 3); 
      cout << "TEST-" << 7 << "..."
           <<  result
           << "\n";
  
      result = driver("11", 0); 
      cout << "TEST-" << 8 << "..."
           <<  result
           << "\n";
  
      result = driver("MqqKY", 0); 
      cout << "TEST-" << 9 << "..."
           <<  result
           << "\n";
  
      return 0;
  }
source_py: def count_characters_position_english_alphabets(str):
      result = 0
      for i in range(len(str)):
          if ((i == (ord(str[i]) - ord('a'))) or (i == (ord(str[i]) - ord('A')))):
              result += 1
      return result
source_cpp: int count_characters_position_english_alphabets(string str) {
    int result = 0;
    for ( int i = 0;
    i < str . size ( );
    i ++ ) if ( i == ( str [ i ] - 'a' ) || i == ( str [ i ] - 'A' ) ) result ++;
    return result;
  }