Initials
Completed
Read a full name with exactly three words and print the initials in upper case separated by dots, like A.B.C.
Input
One line: three words.
Output
The initials.
Example
Input
ada byron lovelace
Output
A.B.L.
Editor
Python
Hints
split() breaks the name into words.
Take [0] of each word and upper-case it.
Solution explanation
Unpacking the result of split() into three variables documents that exactly three words are expected.
Show solution
first, middle, last = input().split()
print(f"{first[0].upper()}.{middle[0].upper()}.{last[0].upper()}.")