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.
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Sample Program Output
Program Listing
positive_negative.rb
# 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"
