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PyExercises2026febr

2025/26/2 (February 2026)

Python Exercises

Self Verification

• 20130917a README

Python Basics

• 20121001a string method [f1]
• 20120815b strings #1 [f2]
• 20120815c strings #2 [f2]
• 20141005b advanced string formatting [f2]
• 20120818bc lists #1 [f3]
• 20120922a lists #2 [f3]
• 20120818a distance between two points (tuple02.py) [f4]
• 20120818d list comprehensions [f4]
• 20130211b diamond (loop) [f4]
• 20120904a removing duplicates (set01) [f5]
• 20120905a dictionary #1 [f5]
• 20121006d file handling (removing comments) [f6]
• 20141125a classes #1 (stack) [f7]
• 20130325a classes #2 (queue with two stacks) [f7]
• 20121110a modules [f8]
• 20121006e advanced sorting
• 20121120a exceptions #1
• 20121120b exceptions #2

The Easy Ones

• One-Minute Exercises
  • 20120815e palindrome [f2]
  • 20120815j reverse a whole number [f2]
  • 20120818j number of digits [f2]
  • 20121001b sum of natural numbers from 1 to 100 [f3]
  • 20130225a string cleaning [f3]
  • 20130902c sentence without extra spaces [f6]
• 20130218a a beautiful mind [f2]
• 20120815a sum of two numbers [f2]
• 20120905b product of the elements in a list [f3]
• 20120815h a-z [f3]
• 20120815d ASCII table [f3]
• 20120818e multiples of 3 or 5 (PE #1) [f3]
• 20120920e line break [f4]
• 20130211a anagram [f6]
• 20130902b Hamming distance [f6]
• 20120905c shuffled [f8]
• 20130920a swap case [f9]

Warning! These exercises require thinking!

• 20141005a something_1 or something_2 or … something_N
• 20130305a XOR [f4]
• 20130919b a-z; with reversed source code: z-a [f6]
• 20140103a 2023

Five-Minute Exercises

• 20120820b decimal → binary conversion [f3]
• 20120921a accent removal [f5]
• 20130218b certain characters [f5]
• 20130218c character count [f6]

Normal

• 20120815l secret message [f3]
• 20120818f sum square difference (PE #6) [f4]
• 20120818h one hundred 50-digit long numbers (PE #13) [f5][f6]
• 20120816a 8 queens [f5]
• 20120818g largest product of five adjacent digits (PE #8) [f6]
• 20130902e parentheses [f6]
• 20120815g PI verse [f6]
• 20120818i sum of digits (PE #16) [f6]
• 20120904b reverse a part of a list [f9]
• 20120815k prison break
• 20210311a Münchausen numbers
• 20210426a double-base palindromes (PE #36)

Operating Systems

• 20130326a last N lines [f10]

JSON

• 20120920g What's my IP address?
• 20121126a /r/EarthPorn