blog_post_scheduler.rb

# create a method called create_groups that, given an array of student names,
# a group size, and a number of groups, will return an array of groups of
# of students with no student in adjacent groups

def create_groups(student_list, group_size, num_groups)
  groups_array = []
  random_list = student_list.shuffle

  while random_list.size > 0
    mini_group = random_list.slice(0,group_size)
    random_list = random_list.drop(group_size)
    groups_array << mini_group
  end

  groups_array.collect do |group|
    i = 0
    while group.size < group_size
      group << groups_array[i]
      i += 1
    end
  end

  i = 0
  while groups_array.size < num_groups
    extra_group = groups_array[i]
    groups_array << extra_group
    if i > groups_array.size - 1
      i = 0
    else
      i += 1
    end
  end

  groups_array
end

# take the list and divide it up into a list of group size
# if there aren't enough students to make the correct number of groups,
# take students from beginning of list and keep adding

group << groups_array[i]

Doesn't this push in a mini-group as only 1 element into the group?