Initial data commit

Task/Call-a-function/Ruby/call-a-function-7.rb

@@ -0,0 +1,12 @@
+puts "OK!"                      # Kernel#puts
+raise "Error input"             # Kernel#raise
+Integer("123")                  # Kernel#Integer
+rand(6)                         # Kernel#rand
+throw(:exit)                    # Kernel#throw
+
+# method which can be seen like a reserved word.
+attr_accessor                   # Module#attr_accessor
+include                         # Module#include
+private                         # Module#private
+require                         # Kernel#require
+loop { }                        # Kernel#loop