1. /*
2. // Variables
3. int age = 12;
4. int wealth;
5. wealth = 120;
6.  
7. // Input / Output
8. Console.Write("Enter Your name: ");
9. string name = Console.ReadLine();
10. Console.Write("Enter Amount of Cash: ");
11. int money = Convert.ToInt32(Console.ReadLine());
12.  
13. // Conditions and string Templating
14. if (money > 10) {
15.     Console.WriteLine($"{name} is allowed in the party.");
16. }else {
17.     Console.WriteLine($"{name} is not allowed in the party.");
18. }
19. */
20.  
21. // Arrays [predefined number of items] and Lists [unlimited number of items]
22. // Arrays:
23. /*
24. string[] provinces = new string[5] {"Sindh", "Punjab", "Khyber Pakhtun Khuwa", "Balochistan", "Gilgit"};
25.  
26. Console.WriteLine(provinces[0]);
27. Console.WriteLine(provinces[4]);
28. Console.WriteLine();
29.  
30. provinces[0] = "Gilgit";
31. provinces[4] = "Sindh";
32.  
33. for(int i = 0; i < 5; i++) {
34.     Console.Write($"{i}.{provinces[i]}, ");
35. }
36. Console.WriteLine();
37. for(int i = 0; i < provinces.Length; i++) {
38.     Console.Write($"{i}.{provinces[i]}, ");
39. }
40. Console.WriteLine();
41. foreach(string province in provinces) {
42.     Console.Write($"{province}, ");
43. }
44. Console.WriteLine();
45. */
46.  
47. // Lists:
48. /*
49. List<string> friends = new List<string>() {"Azir"};
50.  
51. Console.Write("to add a friend type f, to view all friends type v, press any other key to exit: ");
52.  
53. string command = Console.ReadLine();
54.  
55. if(command == "v" || command == "V") {
56.     Console.WriteLine("Viewing Friends");
57. }else if(command == "f" || command == "F") {
58.     Console.Write("Enter Friend Name: ");
59.     friends.Add(Console.ReadLine());
60. }else {
61.     Console.WriteLine("Exiting...");
62. }
63. */
64.  
65.  
66. // Function: A block of code
67. /*
68. void CreateFriends() {
69.     Console.WriteLine("I am your friend");
70.     Console.WriteLine("Please Talk To Me!");
71.     Console.Write("What is Your Name: ");
72.     string name = Console.ReadLine();
73.     Console.WriteLine($"Good to meet you {name}");
74. }
75.  
76. int multiply(int number1, int number2) {
77.     return number1 * number2;
78. }
79.  
80. int luckyNumber() {
81.     return 7;
82. }
83.  
84. string increaseBy2(int num) {
85.  
86.     Console.WriteLine($"{num} + 2 = {num + 2}");
87.  
88.     return "Azir";
89. }
90.  
91. Console.WriteLine(increaseBy2(10));
92. */
93.  
94.  
95. // Loops: For repeating commands, foreach, while
96. // Reusing with list example
97. /*
98. List<string> friends = new List<string>() {"Azir"};
99. bool shouldContinue = true;
100. while(shouldContinue) {
101.     Console.Write("to add a friend type f, to view all friends type v, press any other key to exit: ");
102.  
103.     string command = Console.ReadLine();
104.  
105.     if(command == "v" || command == "V") {
106.         Console.Write("Friends: ");
107.         foreach(string friendName in friends) {
108.             Console.Write($"{friendName}, ");
109.         }
110.         Console.Write("n");
111.     }else if(command == "f" || command == "F") {
112.         Console.Write("Enter Friend Name: ");
113.         friends.Add(Console.ReadLine());
114.     }else {
115.         Console.WriteLine("Exiting...");
116.         shouldContinue = false;
117.     }
118. }
119. */
120.  
121. // Loops: for
122. /*
123. for(int i = 0; i < 10; i++) {
124.      Console.WriteLine($"{i} -> Hi");
125. }
126. */