acronym generator in python

1def main():
2
3    ## input the phrase
4    phrase = input("Enter the phrase: ")
5
6    ## split the phrase into substrings
7    phrase_split = phrase.split()
8
9
10    acronym = ""
11
12    ## iterate through every substring
13    for i in phrase_split:
14        acronym = acronym + i[0].upper()
15
16    print("The acronym for your phrase is ",acronym + ".")
17
18main()