Why does this only output the x value??

Question

x = gets
for y in (1..12)
z = x * y
puts z
end

this is a code which i created for multiplication table. but this only outputs the input x. help me to make this work

Answer 1

x = gets
x = x.to_i
for y in (1..12)
z = x * y
puts "#{x} * #{y} = #{z}"
end

you need to convert x to number because the interpreter thinks it's a string so "5"' * 1 = "5"
and "5" * 2 = "55" (each digit printed on a new line)

Answer 2

no problem, its called string interpolation, what it does is it says get the variable between these curly braces and put its value here in the string, eg

message = "hello"
puts "#{message} world" # hello world

message = "good afternoon"
puts "#{message} world" # good afternoon world

alternatively you can just concatenate them like this: message + " world" but when you introduce more variables it gets more complicated to do so which is why people like to use interpolation to make things easier

Answer 3

y are those in between curly brakets? i am just new to coding. so please :) ur helps are valuable