input: Write a python function to analyze the sentiment of a given sentence using TextBlob.
  assert analyze_sentiment("I love programming!") > 0
  assert analyze_sentiment("I hate bugs!") < 0
  assert analyze_sentiment("It's a beautiful day.") > 0
output: from textblob import TextBlob
  
  def analyze_sentiment(sentence):
      analysis = TextBlob(sentence)
      return analysis.sentiment.polarity