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Python interview questions — practice · DataDesk

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Python

Python interview questions

Classic interview patterns from every topic.

0 / 49 solved

1Palindrome check InterviewBasic
2Anagram check InterviewIntermediate
3Run-length compression InterviewIntermediate
4Reverse the words InterviewIntermediate
5First non-repeating character InterviewAdvanced
6Remove duplicates, keep order InterviewIntermediate
7Second largest InterviewIntermediate
8Merge two sorted lists InterviewIntermediate
9Move zeros to the end InterviewAdvanced
10Missing number InterviewAdvanced
11Maximum subarray sum InterviewAdvanced
12Pair with target sum InterviewAdvanced
13Stock buy and sell InterviewAdvanced
14Has duplicates? InterviewBasic
15First repeated item InterviewIntermediate
16Longest consecutive run InterviewAdvanced
17Tuple sort with multiple keys InterviewAdvanced
18Word frequency InterviewBasic
19Most frequent item InterviewIntermediate
20Group anagrams InterviewAdvanced
21First unique character InterviewAdvanced
22FizzBuzz InterviewIntermediate
23Prime check InterviewIntermediate
24Pascal's triangle InterviewAdvanced
25Spiral order InterviewAdvanced
26Compress runs InterviewAdvanced
27GCD with Euclid InterviewIntermediate
28Happy number InterviewIntermediate
29Binary search InterviewIntermediate
30Container with most water InterviewAdvanced
31Validate brackets InterviewAdvanced
32Fibonacci InterviewIntermediate
33Memoised staircase InterviewAdvanced
34Permutations InterviewAdvanced
35Flatten any depth InterviewAdvanced
36Top k frequent words InterviewAdvanced
37Sort intervals and merge InterviewAdvanced
38Primes with a comprehension InterviewAdvanced
39Matrix multiply InterviewAdvanced
40Outliers with IQR InterviewAdvanced
41Correlation InterviewAdvanced
42Highest earner in each city InterviewAdvanced
43Top earner per department InterviewAdvanced
44Customers above city average InterviewAdvanced
45Customers without orders InterviewBasic
46Customer summary report InterviewAdvanced
47Full clean pipeline InterviewAdvanced
48Remove outliers with IQR InterviewAdvanced
49Data quality report InterviewAdvanced