input: from typing import List
  
  def is_string_permutation(s1: str, s2: str) -> bool:
      """ Check if one string is a permutation of the other.
      >>> is_string_permutation("abc", "bca")
      True
      >>> is_string_permutation("abc", "xyz")
      False
      """
output:     return sorted(s1) == sorted(s2)