Which character is used to represent the username in the PS1 prompt string?*1 pointa) %ub) %nc) %hd) %p

The library function used to find the last occurrence of a character in a string is

When studying a population, the "p" symbol is used to represent the frequency of _____.

Which of the following built-in string methods can be used to find the character at a specific index position?length()charAt()main()toUpperCase()

What does Flask return when a route handler function returns a string?1 pointA JSON objectAn HTTP response with the string in the bodyAn errorA template render

Which of the following options can be used with the usermod command to change the primary group of a user?Select one:a.-Ub.-Lc.-Nd.-g