input: Write a python function to remove punctuations from a given sentence.
  assert remove_punctuations("He loves to eat Italian; pizza, pasta, and gelato") == "He loves to eat Italian pizza pasta and gelato"
  assert remove_punctuations("Hello, world!") == "Hello world"
  assert remove_punctuations("Let's test: function, execution; and efficiency!") == "Lets test function execution and efficiency"
output: def remove_punctuations(sentence):
      import string
      return sentence.translate(str.maketrans('', '', string.punctuation))