Write a Python function called first_last(s) that returns the first and last characters in the string s. code example

Example 1: check strings last letter python

sample_str = 'Sample String'
# Get last character of string i.e. char at index position -1
last_char = sample_str[-1]
 
print('Last character : ', last_char)
# Output
Last charater : g

Example 2: how to get last element of string in python

sample_str = 'Sample String'
# Get last character of string i.e. char at index position -1
last_char = sample_str[len(sample_str) - 1]
 
print('Last character : ', last_char)
# Output
Last charater : g