input: Write a python function to find the largest number from a given list of numbers.
  assert find_largest_number([8, 5, 10, 3]) == 10
  assert find_largest_number([1, 2, 3, 4, 5]) == 5
  assert find_largest_number([99, 100, 101, 55, 78]) == 101
output: def find_largest_number(numbers):
      return max(numbers)