From 077b0fbcd9c6a6ad17f7ab811a27555924c081a6 Mon Sep 17 00:00:00 2001 From: William Carroll Date: Wed, 6 Oct 2021 16:36:51 -0700 Subject: Add Ramp's technical assessment More technical interviews --- assessments/ramp/solution-emacs-elixir-format.py | 29 ++++++++ assessments/ramp/solution.py | 87 ++++++++++++++++++++++++ 2 files changed, 116 insertions(+) create mode 100644 assessments/ramp/solution-emacs-elixir-format.py create mode 100644 assessments/ramp/solution.py (limited to 'assessments/ramp') diff --git a/assessments/ramp/solution-emacs-elixir-format.py b/assessments/ramp/solution-emacs-elixir-format.py new file mode 100644 index 000000000000..d0d948402001 --- /dev/null +++ b/assessments/ramp/solution-emacs-elixir-format.py @@ -0,0 +1,29 @@ +# The file '2010.census.txt' contains summary statistics from the 2010 United +# States census including household income. The data is in an unspecified +# format. + +# Find the average of the column called: + +# 'MEDIAN HOUSEHOLD INCOME' + +# Ideally the solution should be a command line script, of the form: + +# $ ./solution [options] [file...] + +# The solution may be written in any language, Python is preferred but not +# required. + +# Google, stack overflow, etc. usage is allowed. + +import requests + +url = "https://assets.tryramp.com/interview/census/2010.census.txt" + +def main(): + res = requests.get(url) + if res.status not in {200}: + raise Exception("Unexpected status code: {}".format(res.status_code)) + # download the content + # parse row + # select 'MEDIAN HOUSEHOLD INCOME' column + pass diff --git a/assessments/ramp/solution.py b/assessments/ramp/solution.py new file mode 100644 index 000000000000..28060bfb3c40 --- /dev/null +++ b/assessments/ramp/solution.py @@ -0,0 +1,87 @@ +# The file '2010.census.txt' contains summary statistics from the 2010 United +# States census including household income. The data is in an unspecified +# format. + +# Find the average of the column called: + +# 'MEDIAN HOUSEHOLD INCOME' + +# Ideally the solution should be a command line script, of the form: + +# $ ./solution [options] [file...] + +# The solution may be written in any language, Python is preferred but not +# required. + +# Google, stack overflow, etc. usage is allowed. + +import requests +import csv + +url = "https://assets.tryramp.com/interview/census/2010.census.txt" +column = 'MEDIAN HOUSEHOLD INCOME' +columns = [ + 'CENSUS YEAR', + 'TRACT', + 'BLOCK GROUP', + 'FIPS ID', + 'TOTAL POPULATION', + 'POPULATION WHITE', + 'POPULATION BLACK', + 'POPULATION ASIAN', + 'POPULATION OTHER', + 'POPULATION AMERICAN INDIAN', + 'POPULATION PACIFIC ISLANDER', + 'POPULATION ONE RACE', + 'POPULATION MULTI RACE', + 'POPULATION 25 OLDER', + 'MEDIAN AGE', + 'MEDIAN HOUSEHOLD INCOME', + 'HIGH SCHOOL MALE', + 'HIGH SCHOOL MORE MALE', + 'COLLEGE 1 YR LESS MALE', + 'COLLEGE 1 YR MORE MALE', + 'ASSOCIATES DEGREE MALE', + 'BACHELORS DEGREE MALE', + 'MASTERS DEGREE MALE', + 'PROFESSIONAL DEGREE MALE', + 'DOCTORAL DEGREE MALE', + 'HIGH SCHOOL FEMALE', + 'HIGH SCHOOL MORE FEMALE', + 'COLLEGE 1 YR LESS FEMALE', + 'COLLEGE 1 YR MORE FEMALE', + 'ASSOCIATES DEGREE FEMALE', + 'BACHELORS DEGREE FEMALE', + 'MASTERS DEGREE FEMALE', + 'PROFESSIONAL DEGREE FEMALE', + 'DOCTORAL DEGREE FEMALE', + 'PERCENT 25 YR OVER HIGH SCHOOL MORE', + 'HOUSING UNITS', + 'OCCUPIED HOUSING UNITS', + 'OWNER OCCUPIED HOUSING', + 'RENTER OCCUPIED HOUSING', + 'PERCENT OWNER OCCUPIED', + 'PERCENT RENTER OCCUPIED', + 'MEDIAN HOUSE VALUE OWNER OCCUPIED', + 'MEDIAN YEAR BUILT', + 'VACANCY RATES', +] + + +def average(xs): + return sum(xs) / len(xs) + + +def parse_body(body): + return list(csv.DictReader(body.split('\n')[1:], delimiter='|', fieldnames=columns)) + + +def main(): + res = requests.get(url) + if res.status_code not in {200}: + raise Exception("Unexpected status code: {}".format(res.status_code)) + return average([int(d.get(column)) + for d in parse_body(res.text) + if int(d.get(column)) >= 0]) + +print(main()) -- cgit 1.4.1