Array basics

Name = ["Marcus", "Francis", "Magnusson"]
Name.push("Jenner")
Name # => ["Marcus", "Francis", "Magnusson", "Jenner"]

Name = ["Francis", "Magnusson", "Jenner"]
Name.unshift("Marcus")
Name.inspect # => ["Marcus", "Francis", "Magnusson", "Jenner"]

Name = ["Marcus", "Francis", "Magnusson"]
Lastname = Name.pop
Name # => ["Marcus", "Francis"]
Lastname # => Magnusson

Name = ["Marcus", "Francis", "Magnusson"]
Firstname = Name.shift
Name # => ["Francis", "Magnusson"]
Firstname # => Marcus

Names = ["Marcus", "Francis", "Magnusson"]
Name.reverse # => ["Magnusson", "Francis", "Marcus"]

Name = ["Marcus", "Francis", "Magnusson"]
Name.include?("Jenner") # => false
Name.include?("Francis") # => true