def acronym_maker(word, upper=True):
    """Makes acronym from Strings

PARAMETERS:
	upper : bool, default=True
		uppercase if True else lowercase
	"""
    acronym = ''
    word_list = word.split(' ')
    for i in word_list:
        acronym = acronym + i[0]
    if upper == False:
        return acronym
    elif upper == True:
        return acronym.upper()
