Chapter 2 -200 Most Asked Python Interview Questions for Analytics
Most Asked Python Interview Questions for Analytics
Welcome to the 2200 questions series from The Data Monk, in this series we will cover all the topics in a Question-Answer mode that are required for anyone who wants to make a career in the following field:-
– Data Analysis
– Business Analysis
– Business Intelligence Engineering
– Machine Learning
– Data Science
– Product Analysis
– Data Engineering
– Risk Analysis
These 2200 questions are useful for anyone who is in their 2nd-3rd year of engineering to 8-10 years of experience in the IT industry( be it QA/Development/Support) and are willing to make a career in Analytics.
Most Asked Python Interview Questions for Analytics
Why Analytics is a domain for you?
If you want to make a handsome switch with a good package then Analytics is for you because of the following reasons:-
– It is a high-paying job
– It is interesting as you will have a good impact on the growth of the organization
– It involves a lot of things like requirement gathering, building logic, making ETL, pipeline creation, reporting to the CXOs, and so on. So, it is a very impactful role
– It has a HUGE demand in the future as the data will keep on growing and so will your role
How much does an analytics role pay?
The CTC of the role will definitely depend on multiple factors but just to give you a glimpse of it:-
“Anyone from a tier 2-3 college with good knowledge of the material that we are providing will have a fair chance to bag something like 15+ LPA for a fresher. The more you grind the better you get and the CTC grows with experience.”
Now coming back to why you should try The Data Monk for your Analytics journey.
Why The Data Monk?
We are a group of 30+ Analytics Engineers working in various product-based companies like Zomato, Ola, OYO, Google, Rapido, Uber, Ugam, BYJUs, etc. and we observed that people do not have a well structured way to enhance their knowledge. There are multiple courses here and there, but no one has consolidated what needs to be learned in order to move to the analytics domain.
Further, there are courses from Large institutes where they charge you something like 2-5 lacks and try to teach you everything from Data structure to SQL to Power BI to ML. You do not have to spend so much on these topics.
We followed a very old-school way, take a topic and solve 100-200 questions on these topics. Learn them, understand them, and revise them. This should be enough for you to crack that domain.
For example, if I am a very beginner in SQL, then I will just try to solve 200 questions starting from the definition to advance level questions. After solving and revising these questions I should have a good amount of knowledge to answer 6 out of 10 questions asked in an interview and going by that calculation I can be a strong candidate in 5-7 out of 10 companies.
See, by the end, you need to convert a job first and then keep on learning in the organization.
Most of the books are on questions like ‘250 questions to crack SQL interview’ and this will cost you around 250 rupees, take the book, understand, and learn it. This small amount can bag you a 15 LPA job 🙂
You can trust us as we have guided more than 1000 people to make a career in Analytics
2200 Analytics Interview Questions
Coming back to the topic, below is the list of 250 SQL questions to Ace any Analytics Interview
SQL – 250 SQL questions to Ace any Analytics Interview
Most Asked Python Interview Questions for Analytics
Most Asked Python Interview Questions for Analytics
252. What is Python? What is the difference between Python and Java?
253. Sum of two numbers in Python
254. How to take input from user?
255. Take input from user and print the sum. This will test two concepts, first the concept of type casting and secondly how to print the sum and not concatente the numbers.
256. What are the data types in Python?
257. What is number data type? What is type() function in Python?
258. What is Boolean data type in Python?
259. What is string data type in Python?
260. How to concat variables?
261. What do you mean when you say “Strings are immutable”?
262. What is a list in Python?
263. Are lists mutable ?
264. What are some important functions used with list?
265. What is a dictionary in Python?
266. Is dictionary zero indexed? Can we pull something like Team[0] from the above example?
267. What is a tuple?
268. What are the salient features of tuples?
269. What are some salient features of set?
270. A few data types are ordered and other are not ordered. What does that mean?
271. What is the function range() ?
272. What is type conversion?
273. What is collections in Python?
274. Write a Python program to get the factorial of any number.
275. Get the square of a number if the number is odd and cube if even
276. Sum of square of first n natural number
277. Check if a number is Armstrong number in Python. An armstrong number is a number that equals the sum of cube of all the digits of the number. Ex. 153 = 1^3+5^3+3^3
278. Write a program to get the area of a rectangle (to know if the candidate understands the concept of function)
279. Check if a number is a prime number in Python.
280. Write a program to get the Prime number in a list of numbers with starting and end point
281. Print the nth number in the fibonacci series.
282. Check if a given number is a perfect square or not
284. Finding the sum of elements of an array
285. The largest element of an array
286. Rotate an array
287. Split the array at a particular point
288. Create an array using array library
289. What is append(), pop() and remove() function for array?
290. How can you reverse an array?
291.Interchange first and last element in a list
292. Use another method or way to interchange the first and the last elements of a list in Python. This was asked in Flipkart interview in 2021
293. In a list, Swap two positions in a list (Meesho interview question)
294. Get the length of a list and check if a particular element is presetn in the list?
295. Convert a list in a set and use in function
296. Use a loop to find if an element is present in a set or not?
297. Reverse a list
298. Sum of elements in a list
299. Another method to print the sum of all the elements in the list
300. Multiple all the numbers in a list
301. Count occurrence of an element in a list
302. The cumulative sum in a list
303. Break a list in N parts using the yield clause
304. Reverse a word
305. Check if a string is a palindrome. Palindrome example – Nitin or 12321
306. check if a string is present in another string
307. How to get word frequency in a particular sentence using collections?
308. What is the one big advantage of set that you can use to remove duplicate alphabets from a string?
309. What is the use of the following command
“”.join(str)
310. Using the above two questions remove all the duplicate characters from a string
311. Split a sentence in all the words
312. Find words with length greater than 3
313. rotate a string at a particular
314. Print words of even length
x = “The Data Monk is a website”
315. Print all the keys of a dictionary
316. Print all the values of a dictionary
317. Sum of all the values of a dictionary
318. Remove a key from dictionary
319. Merge two dictionaries
320. Flatten a dictionary
321. How to define a tuple and get the size of tuple variable
322. Create a tuple with the 4 elements, then create a list of tuple with cube of each element
323. Adding tuple to a list
324. Extract digits from a tuple.
325. Removeing list of length 2 from the tuple
326. Flatten tuple of a list
327. What is split() function in Python ?
328. What is reduce() function in Python?
329. What is eval() ?
330. What is enumerate() ?
331. What is round() in Python?
332. What is max() in Python ?
333. What is min() in Python?
334. What is a map() function in Python ?
335. What is getattr() in Python?
336. What is append() in Python?
337. What is range() in Python?
338. What is the use of slice() function in Python?
339. What is the format() command in Python?
340. What is strip() method in Python ?
341. What is the use of abs() function in Python?
342. What is the use of upper() and lower() function in Python?
343. What is the join() function in Python?
344. What is replace() function in Python?
345. What is sorted() function in Python?
346. Write a Python program to print set of duplicates in a list.
347. Write a Python program to extract all the digits from a text
348. What are the most used package for visualization in Python?
349. How to create a line chart?
350. Plot a sin graph using line plot
351. Graph 2 – Cos graph using line plot
352. Class vs Number of Students chart with proper labels and plot title
353. Multi-Line Chart
354. Bar Chart
“A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally.”
355. Use random values between 1 and 100 to create the same graph.
356. Bar chart with random values
357. A 100% stacked bar chart
358. A simple histogram – create a list using random variables and plot it in 4 bins
359. A histogram made with random variables
360. Parallel histogram
361. A horizontal histogram
362. A line histogram
363. A variable width histogram
364. Area Chart
365 A basic area chart
366. Box and Whisker Plot
367. Graph Question
368. Following is the code with some fancy colors to help you understand each term individually.
369. Box Whisker Chart
370. Scatter plot
371. A scatter plot
372. Pie Chart
373. Stacked Bar graph
374. What are the type of information that we can display using plot?
375. What are the charts that show the distribution in your data set?
376. Whar are the charts that show a comparison metrics?
377. What are the types of relationship charts?
378. What are comparison charts?
379. How do you handle missing values in a data set? What are some common techniques for imputing missing data?
380.How do you handle categorical data in a data set, and what are some common techniques for encoding or transforming it?
381.What are some common machine learning algorithms that you have experience with, and how do you use them in Python?
382. How do you assess the performance of a machine learning model, and what are some common metrics used to do so?
383.What is cross-validation, and how is it used in machine learning?
384.What is regularization, and how is it used to prevent overfitting in machine learning?
385.How do you handle imbalanced data sets in machine learning, and what are some common techniques for addressing this issue?
386.How do you use Python for data visualization, and what are some common libraries or tools that you have used?
387.How do you handle time series data in Python, and what are some common techniques for analyzing or forecasting time series data?
388. What are some common Python libraries used for data visualization, and how do they differ in terms of functionality and ease of use?
389. How do you create a line chart or scatter plot in Python using a given data set?
390. How do you customize the appearance of a plot in Python, such as changing the color, title, axis labels, or legend?
391. What is a heatmap in data visualization, and how do you create one in Python?
392. What is a histogram in data visualization, and how do you create one in Python?
393. How do you handle missing data or outliers in a data set when creating a visualization, and how do they affect the final result?
394. What are some common techniques for visualizing high-dimensional data sets in Python, such as using dimensionality reduction or clustering algorithms?
395. How do you create interactive visualizations in Python, such as using tools like Bokeh or Plotly?
396. What are some common techniques for visualizing geographic data in Python, such as using choropleth maps or scatter plots with latitudes and longitudes?
397. How do you create animated visualizations in Python, such as using the Matplotlib animation module or GIFs?
Tricky Python Interview Questions for Analytics
398. What is the difference between a list and a tuple in Python, and when would you use each?
399. Can you explain the difference between is and == in Python?
400. What is the difference between a shallow copy and a deep copy in Python, and when would you use each?
401. Can you explain what a closure is in Python and provide an example?
402. How does Python’s global interpreter lock (GIL) impact multi-threaded programming in Python?
403. What is the difference between a generator and a list comprehension in Python, and when would you use each?
404. How does Python handle memory management, and what are some common memory management issues that can arise?
405. Can you explain the difference between a module and a package in Python, and how would you import and use each?
406. What is the difference between a class method and a static method in Python, and when would you use each?
407. Can you explain the difference between the range and xrange functions in Python 2, and why was xrange removed in Python 3?
408. What is the difference between “global” and “nonlocal” in Python?
409. What is the difference between “deepcopy” and “shallow copy” in Python?
410. What is a decorator in Python?
411. What is a lambda function in Python?
412. What is the difference between a module and a package in Python?
413. What will be the output of the code below in Python 2?
414. Write a Python program to calculate mode without using inbuilt function Input
415. How to webscrapping in Python?
416. What is the difference between “is” and “==”? In Python?
417. How is a variable allocated memory in Python?
418. Define a class named car with 2 attributes, “color” and “speed”. Then create an instance and return speed.
419. What is the difference between instance, static and class methods in python?
420. What is the difference between “func” and “func()”?
421. Does Python call by value or call by reference?
422. Given two strings, string1 and string2, determine if there exists a one to one character mapping between each character of string1 to string2.
Python Pattern Interview Questions for Analytics
423. Write a program to print the following pattern:
1
12
123
1234
12345
424. Write a program to print the following pattern:
A
AB
ABC
ABCD
ABCDE
425. Write a program to print the following pattern:
1
22
333
4444
55555
426. Write a program to print the following pattern:
E
DE
CDE
BCDE
ABCDE
427. Write a program to print the following pattern:
1
2 3
4 5 6
7 8 9 10
428. Write a program to print the following pattern:
A B C D E F
A B C D E
A B C D
A B C
A B
A
429. Write a program to print the following pattern:
1
0 1
1 0 1
0 1 0 1
1 0 1 0 1
430. Write a program to check if a number is prime or not.
431. Write a program to find all prime numbers in a given range.
432. Write a program to check if a number is an Armstrong number or not.
433. Write a program to check if a number is a perfect number or not.
434. Write a program to find the factorial of a number.
435. Write a program to check if a number is a palindrome or not.
436. Write a program to find the sum of digits of a number.
437. Write a program to check if a number is an automorphic number or not.
438. Write a program to check if a number is a Harshad number or not.
439. Write a program to check if a number is a Smith number or not.
440. What is the difference between print() and return in Python?
441. Can you give an example of using f-strings in Python?
442. How would you handle errors in Python code when printing output?
443. What is the purpose of sys.stdout and how can it be used?
444. Can you explain the difference between sys.stdout.write() and print()?
445. How would you write a Python function that writes output to a file instead of to the console?
446. How would you use the logging module in Python to output messages to a file?
447. How can you redirect the output of a Python script to a file instead of to the console?
448. Can you explain the difference between using print() and logging for outputting information in a Python application?
449. How can you use the pprint module to print formatted output in Python?
Thanks for reading Most Asked Python Interview Questions for Analytics , try to solve these questions by yourself or get the solution in the book shop page
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