Once a generator has been consumed, it cannot be used again. However, you can examine the consumed generator to see what elements were generated before it was consumed.

Here's an example:

def generate_numbers():
    for num in range(1, 11):
        yield num
 
numbers_gen = generate_numbers()
 
# consume the first 5 elements
for i in range(5):
    next(numbers_gen)
 
# examine the consumed generator
print(list(numbers_gen))
# Output: [6, 7, 8, 9, 10]

In this example, we have a generator function generate_numbers() that generates numbers from 1 to 10. We create a generator object called numbers_gen by calling the function.

We then consume the first 5 elements of the generator using a for loop and the next() function. After the loop completes, the generator is left with the last 5 elements that were not consumed.

We can examine the last 5 elements of the generator by passing it to the list() function, which converts the generator into a list. The result is printed to the console.

This technique can be useful when you want to examine the output of a generator without consuming all of its elements. However, if you need to use the generator again, you should create a new instance of the generator function or store the elements in a list or other data structure.