strings are mutable¶
You can change the letters in an
string one at a time using the
 operator on the left side of an assignment.
The active code below changes the first letter in
greeting to be
This produces the output
Put together the code below to creater a function <code>mixer<code> that takes in two strings and replaces every even index of the first string by the corresponding index of the second. It returns the modified first string. Example: <code>string_a = “food”<code> and <code>string_b = “summer”<code> . <code> mixer(string_a ,string_b )<code> makes <code>string_a<code> become “somd”.
Assume second string is greater than first.