How To Write Basic Syntax
Print Hello World
Write Basic Syntax
Use Properties
Make An If Else Ladder
Make A Branch Statement
Declare Inits
Use Lists
Use Arrays
Make A Class Hierarchy
Use Nil And Nilable Types
Use Dynamic Typing
Declare Variable Number Of Args
Read And Write Files
Check Inheritance And Implementation
Customize Object Equality
Pass References To Methods
Translate Pseudo Code To Cobra 1
Translate Pseudo Code To Cobra 2
Implement IEnumerable 1
Implement IEnumerable 2
Iterate Through Recursive Data With Yield
Make A Collection Class
Declare Contracts
Win Forms
Access MySQL
Open TK
This is a doc string for the whole module.

class Person
    This is a class declaration.

    var _name as String  # declare an object variable. every instance of Person will have a name
    var _age as int

    cue init(name as String, age as int)
        _name = name
        _age = age

    def sayHello
        # This is a method

        # In strings, anything in brackets ([]) is evaluated as an expression,
        # converted to a string and substituted into the string:
        print 'Hello. My name is [_name] and I am [_age].'

    def add(i as int, j as int) as int
        """ Adds the two arguments and returns their sum. """
        return i + j

class Program

    def main
        # Create an instance
        p = Person('Bob', 30)

        # Invoke a method

        # Invoke a method with arguments
        print p.add(2, 2)

        # Assert the truth of something
        assert p.add(2, 2)==4

        # If statement
        a = 2
        b = 1
        if a > b
            print 'a is greater'
            print 'b is smaller'

        # If-else statement
        # See also: "Make An If Else Ladder" How To
        if a > b
            print 'a is greater'
            print 'a is not greater'

        # Can put target on same line if the target is just one statement
        if a > b, print 'a is greater'
        else, print 'b is greater or equal'

        # While loop
        while a > b
            a -= 1  # augmented assignment
        # While loop in one line
        while a > b, a -= 1

        # Parallel assignment
        a, b = 1, 2
        # Lists -- see the "Use Lists" How To for more info
        t = ['a', 'b', 'c']
        for letter in t, print letter

        # Dictionaries
        d = {'a': 1, 'b': 2}
        assert d['a'] == 1 and d['b'] == 2
        for key, value in d
            print '[key] = [value]'  # string interpolation

        # Sets -- like lists, but no repetition
        letters = {'a', 'b', 'c'}
        assert 'a' in letters
        for letter in letters, print letter

        # Line continuation is implicit with parenthesized arguments
        p = Person('Bob',

        # Line continuation can be done explicitly with an underscore
        # The next line is indented the same or more
        b = a *  _