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Ruby Ruby Basics (Retired) Ruby Methods Method Arguments

Posted by Strahinja Rodic
Strahinja Rodic
1,212 Points

using variables + gets

hello i wrote this: def add(a,b) c=a+b puts c end puts "Enter a and b\n" a=gets b=gets add(a,b)

and as output i get to enter a and b which is regular and then it retypes a and b check out the ss: http://prntscr.com/98am33

and what i want is to get a+b for instance: a=gets #I input 3 b=gets #Here I input 5 c=a+b #c suppose to be 8 why I get this output in console?

Regards! :)

1 Answer

Abigail Glunn
Abigail Glunn
10,068 Points
Abigail Glunn
Abigail Glunn
10,068 Points

Just by adding .chomp.to_i to a and b the code works (by default the gets user entry is a string):

def add(a, b)
  c = a + b
  puts c
end

puts "Enter a and b"
  a = gets.chomp.to_i
  b = gets.chomp.to_i
add(a, b)

But I'd probably skip "c" altogether and write "puts add(a, b)" like in the below:

def add(a, b)
  a + b
end

print "Enter a: "
  a = gets.chomp.to_i
print "Enter b: "
  b = gets.chomp.to_i
puts add(a, b)

Edit - Haha of course for something more complicated might be useful to have c as part of the method, just figured I'd show it's not necessary ; )

Tim Knight
Tim Knight
28,888 Points
Tim Knight
Tim Knight
28,888 Points

I definitely agree. I try to keep puts out of my methods altogether.