How can you create a generator in Python?

In the first example, we are going to create a generator that generates even numbers. Here is the code: 
def even_numbers(n):
    for i in range(n):
        if i % 2 == 0:
            yield i

# Create a generator object
even_nums = even_numbers(10)

# Loop through the generator and print each even number
for num in even_nums:
    print(num)

In this code, we define a function called even_numbers that takes a number n as input. We then use a for loop to iterate through numbers up to n and check if the number is even using the condition if i % 2 == 0 . If the number is even, we yield it. We then create a generator object even_nums by calling the even_numbers function with an argument of 10. Finally, we loop through the generator object using a for loop and print each even number. In the second example, we are going to create a generator that generates Fibonacci numbers. Here is the code: 
def fibonacci(n):
    a, b = 0, 1
    count = 0
    while count < n:
        yield a
        a, b = b, a + b
        count += 1

# Create a generator object
fib_nums = fibonacci(10)

# Loop through the generator and print each Fibonacci number
for num in fib_nums:
    print(num)

In this code, we define a function called fibonacci that takes a number n as input. We initialize two variables a and b to 0 and 1 respectively, which are the first two Fibonacci numbers. We then use a while loop to generate Fibonacci numbers up to n using the yield keyword. We create a generator object fib_nums by calling the fibonacci function with an argument of 10. Finally, we loop through the generator object using a for loop and print each Fibonacci number.

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