関連ワード:  python get the first letter of a string    python get the first character of a string    python get the first word of a string    python get the first 3 letters of a string    python get the first n characters of a string    python get the first 4 characters of a string    python get the first two characters of a string    python get the first x characters of a string    python get the first letter of each word in a string    python get first letter of string in list  
結果 : python get the first letter of a string