Which string method counts the number of characters in a string?

a. the count() function
b. the index() function
c. the replace() function
d. the len() function

which of the following lines of code would slice all of the characters before index 6 and then stride through every other character in the slice?

a. string_var[: 6: 2]
b. string_var[6: : 1]
c. string_var[6: : 2]
d. string_var[: 6: 1]

what would you expect to happen in response to the code string_var[3: 5]?

a. a substring will be sliced from index 3 through index 4.
b. a substring will be sliced from index 0 through 5.
c. the substring will be sliced from index 3 through the end of the string, and then it will stride through the string.
d. a slice will be created using the characters before index 3 and then it will stride with the stride number 5.

which list method returns an element at a specific index and then deletes that element from the list?

a. the pop() function
b. the remove() function
c. the append() function
d. the replace() function