old_contents: from collections import deque, defaultdict, namedtuple
  from math import log, sqrt, floor, ceil, pi, e
  import datetime, time
  import re, sys, os
  import random
  
  try:
      from math import log2
  except ImportError:
      def log2(x):
          return log(x, 2)
  
  try:
      from math import inf
  except ImportError:
      inf = float('inf')
  
  try:
      import numpy as np
  except ImportError:
      pass
  
  try:
      import pandas as pd
      pd.set_option('expand_frame_repr', False)
      pd.set_option('display.max_colwidth', -1)
      pd.set_option('display.max_columns', None)
  except ImportError:
      pass
  
  try:
      import seaborn as sns
  except ImportError:
      pass
  
  try:
      import tensorflow as tf
  except ImportError:
      pass
  
new_contents: from collections import deque, defaultdict, namedtuple
  from math import log, log2, sqrt, floor, ceil, pi, e, inf
  import datetime, time, re, sys, os, random, json
  
  try:
      import numpy as np
  except ImportError:
      pass
  
  try:
      import pandas as pd
      pd.set_option('display.max_colwidth', -1)
      pd.set_option('display.max_columns', None)
  except ImportError:
      pass
  
  try:
      import seaborn as sns
  except ImportError:
      pass
  
  try:
      import matplotlib.pyplot as plt
  except ImportError:
      pass
  
subject: update imports