How many rows repeat the pair date + city
pandas · from Duplicates
.duplicated().drop_duplicates()keep=subset=.value_counts()is_uniquePutting the kettle on…
Starting up…
Exercise 4
How many rows repeat the pair date + city? Return the count.
your answer
stuck? the lesson behind it
Duplicates
“Duplicate” is a decision you make, and subset= is where you make it.