input: Write a python function to check if all characters of one string are contained in another string.
  assert check_string_contains('python', 'ono') == False
  assert check_string_contains('hello', 'ole') == True
  assert check_string_contains('data', 'ad') == True
  assert check_string_contains('sample', 'ples') == True
output: def check_string_contains(s1, s2):
      return all(char in s1 for char in s2)