Warmup for TECH603 day 6

warmup.rb

# 1. Create a class named Country

# 2. Add read/write support for the following attributes:
#      :id
#      :name
#      :population
#      :capital

# 3. Create an instance of your Country class

# 4. Set the attributes for Angola:
#    "id" => "AGO"
#    "name" => "Angola"
#    "population" => 21_471_618
#    "capital" => "Luanda"

# 5. Add a to_s method for the country that displays all of the attributes:
#
#    angola.to_s
#    # => "Angola [AGO], capital: Luanda, population: 21471618.

# 6. Show an example of code that will call the method you just defined without
#    explicitly calling it.