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Write a Python function `sum_and_average(n)` that calculates the sum and average of the first `n` natural numbers. The function should return a tuple containing the sum and the average. #### Example Usage ```python [main.nopy] result = sum_and_average(10) print(result) # Output: (55, 5.5) result = sum_and_average(5) print(result) # Output: (15, 3.0) ```
def sum_and_average(n):
"""
Calculate the sum and average of the first n natural numbers.
Args:
n (int): The number of natural numbers to consider.
Returns:
tuple: A tuple containing the sum and the average.
"""
# Placeholder for the sum and average calculation
pass