GDB Python: Parsing field name for structure array

Question

Can anyone please explain how can i parse array of structure for getting fields of structure.

Using script mentioned in this gdb python : Can anyone explain me how to use this script written in this post?

Trying to parse below structure:

typedef struct Q 
{
    int a;
    int b;
}Q;

typedef struct T 
{
    int x,
    int y;
    Q q;
}T;

struct S 
{
    T t[10];
    char b;
};