input: Write a function to remove all punctuations from a given string of sentences. If the given string is empty then return the empty string as well.
  def remove_punctuations(s):
      return s.translate(str.maketrans('', '', string.punctuation)) if s else ""
  
  assert remove_punctuations("This is a sample string!")=="This is a sample string"
  assert remove_punctuations("Hello, World!")=="Hello World"
  assert remove_punctuations("Testing: Test")=="Testing Test"
  assert remove_punctuations("")==""
  assert remove_punctuations("NoPunctuation")=="NoPunctuation"
output: def remove_punctuations(s):
      return s.translate(str.maketrans('', '', string.punctuation)) if s else ""