text: '''1. Write a Python function that takes two lists and returns True if they have at least one common member. '''
  
  def common_member(lst1, lst2):
      lst1 = set(lst1)
      lst2 = set(lst2)
      if lst1 & lst2:
          ans = "True"
      else:
          ans = "False"
      return ans
  print(common_member([1, 2, 3, 4], [4, 5, 6, 7]))
  print(common_member([1, 2, 3, 4], [0, 5, 6, 7]))
  print(common_member([1, 2, 3, 4], [3, 5, 6, 7]))