[datetime.datetime(2009, 4, 15, 21, 58, 14), 0]

with open('newdata.txt') as f:
   for line in f:
      tweet=re.sub(r'Tt',"",line)
      t=re.sub(r'Wt',"//",tweet)
      data=t.split("//")
      sentiment_value= s.sentiment(data[1])
      data.append(sentiment_value)

      words = [w.replace('pos', '1') for w in data]
      word=[w.replace('neg','0')for w in words]
      del word[1]
      word[1]=int(word[1])

      word[0]=datetime.strptime(word[0],'%Y-%m-%d %H:%M:%S ')
      print(word)

values= (word)
    ax = plt.subplot(111)
    ax.plot_date([value[0] for value in values], [value[1] for value in values], "-o")
    plt.show()

TypeError: 'datetime.datetime' object is not subscriptable

word[0]=matplotlib.dates.date2num(word[0])

TypeError: 'float' object is not subscriptable