Q#13: Students in a class

In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics, those whose numbers are…

Q#1: Second price (Vickrey) auction

Suppose you’re running a second-price auction. In this auction, the highest bidder will win, but…

Q#8: Drop rows in dataframe that are between two dates

Q#4: First or Third Class Mailers?

Suppose you’re trying to optimize a mailing campaign where physical mail is sent to potential…

Q#2: Binning employee experience levels in Python (Pandas)

Below is a snippet from a table that…

Q#7: Defective gaskets

Suppose you’re working in a parts manufacturing plant, and you’re running quality analysis on the gasket production…

Q#11: Categorizing Food

You are given the following dataframe and are asked to categorize each food into 1 of 3 categories: meat, fruit, or…

Q#5: Airbnb Stays by Country

Suppose you work for Airbnb as an analyst. A team has come to you asking for a ranked list containing total #…

Q#12: Reverse It

Suppose you’re given an array of strings, s. Write a function using Python to take each string in the array and reverse it.

For example:

#Given the following:
s = [‘rac’, ‘talf’, ‘tot’, ‘tob’]
#Your function should return:
[‘car’, ‘flat’, ‘tot’…