input: Write a function to remove all punctuations from a given string of sentences and return the cleaned string.
  
  def remove_punctuations(s):
      return s.translate(str.maketrans('', '', string.punctuation))
  
  assert remove_punctuations("This is a sample string!") == "This is a sample string"
  assert remove_punctuations("Hello, World!!") == "Hello World"
  assert remove_punctuations("Testing, 1, 2, 3.") == "Testing 1 2 3"
  assert remove_punctuations("NoPunctuationHere") == "NoPunctuationHere"
  assert remove_punctuations("") == ""
output: def remove_punctuations(s):
      return s.translate(str.maketrans('', '', string.punctuation))