Answers for "df to list of lists"

dataframe to list

df.values.tolist()

convert list of lists to pandas dataframe

salary = [['Company', 'Job', 'Salary($)'],
          ['Google', 'Machine Learning Engineer', 121000],
          ['Google', 'Data Scientist', 109000],
          ['Google', 'Tech Lead', 129000],
          ['Facebook', 'Data Scientist', 103000]]
df = pd.DataFrame(salary[1:], columns=salary[0])