lib/worldcup/cli.rb
def call
		 #self
		 welcome
		 list_of_commands
		 run
		end
# call method will execute the next methods in order.
call method will execute the next methods in order.
call method will execute the next methods in order .
def call
		 welcome
		 list_of_commands
		 run
		end
def call welcome list_of_commands run end
call method will execute the next methods in order.
call method will execute the next methods in order .
#self