input: Write a python function to detect if a string is present in a given sentence.
  assert detectString("This is an example sentence", "example") == "String 'example' detected in the sentence"
  assert detectString("This is an example sentence", "test") == "String 'test' not detected in the sentence"
  assert detectString("Hello World", "Hello") == "String 'Hello' detected in the sentence"
  assert detectString("Hello World", "world") == "String 'world' not detected in the sentence"
output: def detectString(sentence, string):
      if string in sentence:
          return f"String '{string}' detected in the sentence"
      else:
          return f"String '{string}' not detected in the sentence"