input: Write a function that takes a string of sentences and removes all the punctuations.
  
  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("The quick brown fox, jumps over the lazy dog!")=="The quick brown fox jumps over the lazy dog"
  assert remove_punctuations("No punctuation")=="No punctuation"
  assert remove_punctuations("")==""
output: def remove_punctuations(s):
      return s.translate(str.maketrans('', '', string.punctuation))