https://repl.it/CmhF/0 created by kironroy

CmhF-0.rb

#  1992 Dream Team at Olympic Games in Barcelona, Spain

team = {
  Karl_Malone: "Power Forward",
  Christian_Laettner: "Power Forward",
  Charles_Barkley: "Power Forward",
  David_Robinson: "Center",
  Patrick_Ewing: "Center",
  Scottie_Pippen: "Strong Forward",
  Chris_Mullen: "Strong Forward",
  Larry_Bird: "Strong Forward",
  Michael_Jordan: "Strong Guard",
  Clyde_Drexler: "Strong Guard",
  John_Stockton: "Point Guard",
  Magic_Johnson: "Point Guard"
}

#  Power Forwards
power_f_lam= lambda { |player, position|  position == "Power Forward"}
pf = team.select(&power_f_lam)

#  Strong Forwards
strong_f_lam = lambda { |player, position|  position == "Strong Forward"}
sf = team.select(&strong_f_lam)

#  Centers
center_lam = lambda { |player, position|  position == "Center"}
c = team.select(&center_lam)

#  Strong Guards
s_guards_lam = lambda { |player, position|  position == "Strong Guard"}
sg = team.select(&s_guards_lam)

#  Point Guards
p_guards_lam = lambda { |player, position|  position == "Point Guard"}
pg = team.select(&p_guards_lam)



  p  '  Welcome to the Dream team Hash  '
  p  '--' * 20
  p  '  What would you like to do?  '
  p  '--' * 20
  p  '  Type pf to display the Power Forwards.  '
  p  '--' * 20
  p  '  Type sf to display the Strong Forwards. '
  p  '--' * 20
  p  '  Type c to display the Centers  '
  p  '--' * 20
  p  '  Type sg to display the Strong Guards. '
  p  '--' * 20
  p  '  Type pg to display the Point Guards.  '
  p  '--' * 20
  p  '  Type team to display the whole team.  '

choice = gets.chomp.downcase

case choice
  when 'pf'
    p pf
  when 'sf'
    p sf
  when 'c'
    p c
  when 'sg'
    p sg
  when 'pg'
    p pg
  when 'team'
    p team
  else p " please type: pf, sf, c, sg, or pg "
    choice = gets.chomp.downcase
    p " please type: pf, sf, c, sg, or pg "
    choice = gets.chomp.downcase
    p " please type: pf, sf, c, sg, or pg "
    choice = gets.chomp.downcase
    p "fail"
end

CmhF-0_console_dump.txt

ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-linux]
>>> "  Welcome to the Dream team Hash  "
"----------------------------------------"
"  What would you like to do?  "
"----------------------------------------"
"  Type pf to display the Power Forwards.  "
"----------------------------------------"
"  Type sf to display the Strong Forwards. "
"----------------------------------------"
"  Type c to display the Centers  "
"----------------------------------------"
"  Type sg to display the Strong Guards. "
"----------------------------------------"
"  Type pg to display the Point Guards.  "
"----------------------------------------"
"  Type team to display the whole team.  "
 sg
{:Michael_Jordan=>"Strong Guard", :Clyde_Drexler=>"Strong Guard"}
=> {:Michael_Jordan=>"Strong Guard", :Clyde_Drexler=>"Strong Guard"}