input: Write a function to remove punctuation from a string.
  assert removePunctuation("Hello, World!!!") == "Hello World"
  assert removePunctuation("Python's syntax is clear.") == "Pythons syntax is clear"
  assert removePunctuation("No punctuation here") == "No punctuation here"
output: def removePunctuation(s):
      import string
      return ''.join(char for char in s if char not in string.punctuation)