input: Write a function to remove all punctuations from a given string of sentences. The function should return the cleaned string without any punctuations. The input string may contain various punctuation marks.
  import 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("Python is fun!")=="Python is fun"
  assert remove_punctuations("It's a great day!")=="Its a great day"
  assert remove_punctuations("No punctuations here.")=="No punctuations here"
output: import string
  def remove_punctuations(s):
      return s.translate(str.maketrans('', '', string.punctuation))