input: Write a python function to sort a list of strings lexicographically.
  assert sort_lexicographically(['Python', 'Java', 'C++', 'C', 'JavaScript']) == ['C', 'C++', 'Java', 'JavaScript', 'Python']
  assert sort_lexicographically(['banana', 'apple', 'cherry']) == ['apple', 'banana', 'cherry']
  assert sort_lexicographically(['zebra', 'apple', 'mango', 'blueberry']) == ['apple', 'blueberry', 'mango', 'zebra']
output: def sort_lexicographically(strings):
      return sorted(strings)