how to access first letter in string python code example

Example 1: python get first character of string

string = 'This is a string'
print(string[0])
#output: 'T'

Example 2: get first letter of each word in string python

def abbrevName(name):
    xs = (name)
    name_list = xs.split()
    # print(name_list)

    first = name_list[0][0]
    second = name_list[1][0]

    return(first.upper() + "." + second.upper())
answer = abbrevName("Ozzie Smith")
print(answer)