Rahaf Alghamdi

quiz_app/.gitignore

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+# https://dart.dev/guides/libraries/private-files
+# Created by `dart pub`
+.dart_tool/

quiz_app/CHANGELOG.md

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+## 1.0.0
+
+- Initial version.

quiz_app/README.md

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+A sample command-line application with an entrypoint in `bin/`, library code
+in `lib/`, and example unit test in `test/`.

quiz_app/analysis_options.yaml

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+# This file configures the static analysis results for your project (errors,
+# warnings, and lints).
+#
+# This enables the 'recommended' set of lints from `package:lints`.
+# This set helps identify many issues that may lead to problems when running
+# or consuming Dart code, and enforces writing Dart using a single, idiomatic
+# style and format.
+#
+# If you want a smaller set of lints you can change this to specify
+# 'package:lints/core.yaml'. These are just the most critical lints
+# (the recommended set includes the core lints).
+# The core lints are also what is used by pub.dev for scoring packages.
+
+include: package:lints/recommended.yaml
+
+# Uncomment the following section to specify additional rules.
+
+# linter:
+#   rules:
+#     - camel_case_types
+
+# analyzer:
+#   exclude:
+#     - path/to/excluded/files/**
+
+# For more information about the core and recommended set of lints, see
+# https://dart.dev/go/core-lints
+
+# For additional information about configuring this file, see
+# https://dart.dev/guides/language/analysis-options

quiz_app/bin/quiz_app.dart

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+import 'dart:io';
+
+void main(List<String> arguments) {
+  List numbers = [1, 2, 3, 4, 5, 6];
+
+  // 1
+  print(
+      "\n \n -------- What is the first satage in git, choose the right answer:");
+  print("a. untrackes ");
+  print("b. commited");
+  print("c. staged");
+
+  String answer1 = stdin.readLineSync()!;
+  print(quiz(answer: answer1));
+
+//2
+  print("\n \n -------- add commands you know in git:");
+  String answer2 = stdin.readLineSync()!;
+  print(quiz(answer: answer2));
+
+//3
+  print(" \n \n -------- add your username in github:");
+  String username = stdin.readLineSync()!;
+  print(" \n -------- add your email in github:");
+  String email = stdin.readLineSync()!;
+
+  printUser(username: username, email: email);
+
+  //4
+  print(addEven(numbers: numbers));
+
+  //5
+  print(" \n \n -------- add length:");
+  int length = int.parse(stdin.readLineSync()!);
+  print(" \n -------- add width:");
+  int width = int.parse(stdin.readLineSync()!);
+  print(calculateArea(length: length, width: width));
+}
+
+//function 1
+quiz({required String answer}) {
+  switch (answer) {
+    case "a":
+      print("\n correct answer");
+      break;
+    case "b":
+      print("\n wrong answer");
+      break;
+    case "c":
+      print("\n wrong answer");
+      break;
+    default:
+  }
+
+  return answer;
+}
+
+//function 2
+
+addGitCommands({required String commands}) {
+  List gitcommands = [];
+
+  gitcommands.add(commands);
+
+  return gitcommands;
+}
+
+// function 3
+
+printUser({required String username, required String email}) {
+  print(username);
+  print(email);
+}
+
+//function 4
+
+int addEven({required List numbers}) {
+  int count = 0;
+
+  for (int element in numbers) {
+    if (element % 2 == 0) {
+      count += element;
+    }
+  }
+  return count;
+}
+
+//function 5
+int calculateArea({required int length, required int width}) {
+  int area = length * width;
+  return area;
+}