test

Question 1

distribution, what kind of plot?

Answer 1

histogram

Question 2

rename columns?

Answer 2

dfrename=df.renam(columns={‘OGColumn’= ‘newcolumn’})

Question 3

order columns

Answer 3

df.columns=[‘columnsname’, ‘column’]
but you have to list all of them

Question 4

find total # of rows under a column?

Answer 4

df[‘column’].nunique()

Question 5

what kind of plot to show correlation?

Answer 5

scatter plot

Question 6

when to use list?

Answer 6

if you have a collection of values where order matters

Question 7

when to use a dictionary?

Answer 7

if you need a sort of lookup table where specified information needs to grabbed fast by using keys