Renamed methods in Roman Numerial Converter

renamed "sym" to "rom_char" to clear confusion
renamed "romanNum" to "roman_num" to match snake case

Author: bebepeng

bin/roman_numerals.rb

@@ -5,32 +5,32 @@
 
 length = sepNum.length
 
-def sym
+def rom_char
   #0    1    2    3   4    5    6
   #1    5    10   50  100  500  1000
   ["I", "V", "X", "L", "C", "D", "M"]
 end
 
 
-def romanNum(num, rom)
+def roman_num(num, rom)
     if num =="1"
-      print "#{sym[rom]}"
+      print "#{rom_char[rom]}"
     elsif num == "2"
-      2.times{print "#{sym[rom]}"}
+      2.times{print "#{rom_char[rom]}"}
     elsif num == "3"
-      3.times{print "#{sym[rom]}"}
+      3.times{print "#{rom_char[rom]}"}
     elsif num == "4"
-      print "#{sym[rom]}#{sym[rom+1]}"
+      print "#{rom_char[rom]}#{rom_char[rom+1]}"
     elsif num == "5"
-      print "#{sym[rom+1]}"
+      print "#{rom_char[rom+1]}"
     elsif num == "6"
-      print "#{sym[rom+1]}#{sym[rom]}"
+      print "#{rom_char[rom+1]}#{rom_char[rom]}"
     elsif num == "7"
-      print "#{sym[rom+1]}#{sym[rom]}#{sym[rom]}"
+      print "#{rom_char[rom+1]}#{rom_char[rom]}#{rom_char[rom]}"
     elsif num == "8"
-      print "#{sym[rom+1]}#{sym[rom]}#{sym[rom]}#{sym[rom]}"
+      print "#{rom_char[rom+1]}#{rom_char[rom]}#{rom_char[rom]}#{rom_char[rom]}"
     elsif num == "9"
-      print "#{sym[rom]}#{sym[rom+2]}"
+      print "#{rom_char[rom]}#{rom_char[rom+2]}"
     end
 end
 
@@ -45,7 +45,7 @@ def romanNum(num, rom)
 end
 
 for x in 0...length
-  romanNum(sepNum[x],y)
+  roman_num(sepNum[x],y)
   y-=2
 end