Positive and Negative Numbers Using Hashes in Ruby

Write a program uses hashes that will check and list down the series of positive and negative numbers from 1 to 12 to the screen using Ruby programming languages.

I am currently accepting programming work, IT projects, school and application development, programming projects, thesis and capstone projects, IT consulting work, computer tutorials, and web development work kindly contact me in the following email address for further details.  If you want to advertise on my website kindly contact me also in my email address also. Thank you.

My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.

My mobile number here in the Philippines is 09173084360.

My telephone number at home here in Bacolod City, Negros Occidental Philippines is  +63 (034) 4335675.

Here in Bacolod I also accepting computer repair, networking and Arduino Project development at a very affordable price.

My personal website is http://www.jakerpomperada.com

Sample Program Output

Program Listing

# positive_negative.rb

# Author   : Jake Rodriguez Pomperada,BSCS,MAED-IT

# Date     : July 17, 2019   Tuesday   1:32 PM

# Address  : Bacolod City, Negros Occidental

# Tools    : Eclipse IDE and Ruby Version 2.6.3

# Location : Bacolod City, Negros Occidental  

# Website  : http://www.jakerpomperada.com

# Emails   : jakerpomperada@gmail.com and jakerpomperada@yahoo.com

  print "\n"

  print "\t===== Positive and Negative Numbers Using Hashes ====="

  print "\n\n"

val_num  = {   

    1 =>1,2 =>-2,3 =>3,4 =>-4,

    5 => 5,6 =>-6,7 =>7,8 =>-8,

    9 =>9,10 =>-10,11 => 11,12 =>-12   

    }   

 print("\tList of Postive Numbers")

 print("\n\n")

 print("\t")

val_num.each do |key, value|

  if (value >=0)

    print " #{value} " 

   end    

end

 print("\n\n")

 print("\tList of Negative Numbers")

 print("\n\n")

print("\t")

 val_num.each do |key, value|

   if (value < 0)

     print " #{value} " 

    end    

 end

 print "\n\n";

 print "\tEnd of Program"