"""Python program to return a dictionay"""

def build_person(first_name,last_name,age = ''):
    """return a dictionary of information about a person."""
    person = {'first':first_name,'last':last_name}
    if age:
        person['age'] = age 
    return person

musician = build_person('jimi','hendrix',age = 27)
print(musician)
    
