homework Done!!

mbta.rb

@@ -1,5 +1,43 @@
 
 # your solution here
-def stops_between_stations
+# lines = {
+# red:['South Station', "Park Street","Kendall","Central","Harvard","Porter","Davis","Alewife"],
+# green:["Government Center","Park Street","Boylston","Arlington","Copley","Hynes","Kenmore"],
+# orange:["North Station","Haymarket","Park Street","State","Downtown Crossing","Chinatown","Back Bay","Forest Hills"]
+# }
+# count=0
+def stops_between_stations(start_line ,start_station , end_line , end_station )
+lines = {
+'Red'=>['South Station', "Park Street","Kendall","Central","Harvard","Porter","Davis","Alewife"],
+'Green'=>["Government Center","Park Street","Boylston","Arlington","Copley","Hynes","Kenmore"],
+'Orange'=>["North Station","Haymarket","Park Street","State","Downtown Crossing","Chinatown","Back Bay","Forest Hills"]
+}
+p="Park Street"
+# count=0
+start_stop=lines[start_line].index(start_station)
+end_stop=lines[end_line].index(end_station)
+    if start_line == end_line 
+    return (start_stop - end_stop).abs
+    # count+=1
+    else 
+    return ((start_stop - lines[start_line].index(p)).abs) +((end_stop - lines[end_line].index(p)).abs)
+end
+end
 
-end
+
+
+
+# def stops_between_stations(start_line ,start_station , end_line , end_station )
+# puts lines.count
+# end
+
+# def stops_between_stations(start_line ,start_station , end_line , end_station )
+# count=0
+# start_stop=start_line.index(start_station)
+# end_stop=end_line.index(end_station)
+#     if start_line == end_line 
+#     for i in start_stop...end_stop do
+#     count+=1
+#     end
+# end
+# end