#accumulator pattern

# input is a list of names; output is list of short (<= 5 characters) names 
# for example,
# names = ["Jonathan","Hien","Raj","Jinash","Lasya"]
# output = ["Hien","Raj","Lasya"]
def remove_long_names(names):
    result = []
    for name in names:
        if len(name) <= 5:
            result.append(name)
    return result

remove_long_names(["Jonathan","Hien","Raj","Jinash","Lasya"])

['Hien', 'Raj', 'Lasya']

"09.30AM:09.45AM:220".split(":")

['09.30AM', '09.45AM', '220']

"09.30aM".split(".")

['09', '30aM']

"09.30AM".lower()

'09.30am'

570 // 60

9

570 % 60

30