the stops count is Wrong when start_line != end_line I know the probl…

mbta.rb

@@ -1,5 +1,127 @@
 
-# your solution here
-def stops_between_stations
+def stops_between_stations(start_line, start_station,end_line,end_station)
+  subway_line= {
+      Red_line:["South Station","Park Street","Kendall","Central","Harvard","Porter","Davis","Alewife"],
+      Green_line:["Government Center","Park Street","Boylston","Arlington","Copley","Hynes","Kenmore"],
+      Orange_line:["North Station","Haymarket","Park Street","State","Downtown Crossing","Chinatown","Back Bay","Forest Hills"]
+      }
+
+  stops_count=0
+  index=0
+  arr_all_value=[]
+
+  # stops 0
+  if start_station == end_station
+      stops_count=0
+      puts stops_count
+  else # store all value in one array
+    subway_line.each { |key,value|
+    value.each {|val| 
+    arr_all_value.push(val)
+    }
+  }
+  # elsif start_line == end_line
+  if start_line==end_line
+    # if <
+    if arr_all_value.index(start_station) <  arr_all_value.index(end_station)
+      arr_all_value[arr_all_value.index(start_station)..arr_all_value.index(end_station)].each { |val| 
+            if val != end_station
+            stops_count+=1 # add 1
+            end
+          }
+    else
+      # if >
+     arr_all_value[arr_all_value.index(end_station)..arr_all_value.index(start_station)].each { |val| 
+       if val != start_station
+        stops_count+=1
+       end
+       }
+    end
+    # start_line != end_line
+  else
+    if arr_all_value.index(start_station) <  arr_all_value.index(end_station)
+      arr_all_value[arr_all_value.index("Park Street")..arr_all_value.index(end_station)].each { |val| 
+            if val != end_station
+            stops_count+=1
+            end
+          }
+    end
+  end
+
+  puts stops_count
+  end
+end # end function
+
+# stops_between_stations('Red_line', 'South Station', 'Green_line', 'Copley') 
+
+#allow the user to input their start line, start station, end line, and end station.
+puts "plz input your start line"
+start_line=gets.chomp
+
+puts "plz input your start station"
+start_station=gets.chomp
+
+puts "plz input your  end line"
+end_line=gets.chomp
+
+puts "plz input your end station"
+end_station=gets.chomp
+
+stops_between_stations start_line,start_station,end_line,end_station
+
+
+
+
+
+
+
+
+
+
+#\\\\\
+
+# create hash and stor all  three line insid it
+
+
+# def stops_between_stations(start_line, start_station,end_line,end_station)
+#     subway_line= {
+#         Red_line:["South Station","Park Street","Kendall","Central","Harvard","Porter","Davis","Alewife"],
+#         Green_line:["Government Center","Park Street","Boylston","Arlington","Copley","Hynes","Kenmore"],
+#         Orange_line:["North Station","Haymarket","Park Street","State","Downtown Crossing","Chinatown","Back Bay","Forest Hills"]
+#         }
+
+#     stops_count=0
+#     index=0
+#     # stops 0
+#     if start_station == end_station
+#         stops_count=0
+#     else # elsif start_line == end_line
+#       subway_line.each { |key,value|
+#       puts value
+#       value.each {|val| 
+#       puts value
+#        if val == start_station
+#         if value.index(start_station) < value.index(end_station)
+#           value[value.index(start_station)..value.index(end_station)].each { |val| 
+#             if val != end_station
+#             stops_count+=1
+#             end
+#           }
+#         else
+#           value[value.index(end_station)..value.index(start_station)].each { |val| 
+#           if val != end_station
+#           stops_count+=1
+#           end
+#         }
+#         end# <
+#        else
+#         index+=1
+#       end
+#     }
+#     }# block subway_line.each
+#     end 
+#     puts stops_count
+# end # end function
+
+# stops_between_stations('Red_line', 'Kendall', 'Red_line', 'Davis') 
 
-end