Changes to HowToUseCVS. All files

HowToUseCVS

@@ -24,3 +24,49 @@ with open('example.csv') as csvfile:     coldex = colors.index(whatColor)     theDate = dates[coldex]     print('The date of',whatColor,'is:',theDate)+++###########+import cvs+with open('example.csv') as csvfile:+    readCSV = csv.reader(csvfile, delimiter=',')+    dates = []+    colors = []+    for row in readCSV:+        color = row[3]+        date = row[0]++        dates.append(date)+        colors.append(color)++    print(dates)+    print(colors)++    # we could put the try anywhere. The weak point, however, starts+    # in my opinion immediately when we accept user input... no longer+    # is this is a closed-program, so I would personally code this block+    # here, but you could put the try right about the print statement+    # of where we search for the color and we KNOW it will throw an error+    # if not in the list. +    try:+        whatColor = input('What color do you wish to know the date of?:')++        if whatColor in colors:+            coldex = colors.index(whatColor)+            theDate = dates[coldex]+            print('The date of',whatColor,'is:',theDate)+        else:+            # now we can handle a specific scenario, instead+            # of handling it with a "catch-all" error.+            # now we have error handling and+            # proper logic. Yay.+            print('This color was not found.')++    # in python 2, this is read exception Exception, e. It's just helpful+    # to know this for porting old scripts if you need to.+++    except Exception as e:+        print(e)++print('Stillllllll running though!')