colors = ['red', 'green', 'blue', 'orange', 'fuscia', 'black', 'white']

list_of_matches = []
for x in colors:
    if x == 'red' or 'green' or 'blue':
        list_of_matches.append(x)
print list_of_matches

list_of_matches2 = []
for x in colors:
    if x == 'red':
        list_of_matches2.append(x)
    elif x == 'green':
        list_of_matches2.append(x)
    elif x == 'blue':
        list_of_matches2.append(x)
    else:
        pass
print list_of_matches2