Hello World Solved by 34269 Basics
  Print 42 Solved by 33279 Basics
  Number of seconds in a year Solved by 22783 Basics
  Using operators Solved by 25310 Basics
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  Fix the indentation Solved by 15992 Basics
  Square numbers Solved by 18501 Basics
  Powers of two Solved by 20671 Basics
  Import Solved by 18617 Basics
  Comparisons Solved by 20218 Basics
  Counting Words Solved by 16608 Basics
  Fix is_anagram Solved by 5073 Basics
  First function Solved by 13680 Basics
  Print even numbers Solved by 13791 Basics
  Sum of even numbers <= 100 Solved by 13472 Training Basics
  Multiples of 3 and 5 Solved by 11679 Training Basics
  Temperatures Solved by 9686 Realist Basics
  Print every two letters pairs Solved by 9566 Training Basics
  Longest word Solved by 8134 Realist
  Print every pair of distinct letters Solved by 8491 Training Basics
  Print sorbet flavors Solved by 7052 Realist
  Consecutive Sum Solved by 283 Training
  Distance Solved by 6363 Training
  Sets of love Solved by 4627 Realist
  Check if a number is prime Solved by 5065 Training
  Sort students Solved by 3860 Realist
  Print every prime numbers in a range Solved by 3021 Training
  Sum of every prime number below n Solved by 3446 Training
  Next prime Solved by 2493 Training
  Reverse Roman Numerals Solved by 2490 Realist
  Select students Solved by 2237 Realist
  The missing card Solved by 1851 Realist
  Friday the 13th Solved by 1598 Realist
  Playing with anagrams Solved by 1189 Realist
  The Fibonacci sequence Solved by 1927 Training
  Currency Solved by 1139 Realist
  Flatten lists Solved by 1221 Training
  Display the date and time Solved by 3695 Training
  Perfect deck shuffle Solved by 1143 Realist
  Exceptions Solved by 1521 Training
  Print the content of a file Solved by 1423 Training
  Is divisible by ? Solved by 1496 Training
  Adam Number Solved by 384 Training
  Product of iterable Solved by 1385 Training
  Print battery charge Solved by 951 Realist
  Draw N Squares Solved by 843 Realist
  Dyck words Solved by 521 Realist
  Hearts emojis Solved by 839 Realist
  Frequency of letters in a file Solved by 932 Training
  Pernicious numbers Solved by 910 Training
  Count the lower 'e' in the 'words' file Solved by 1299 Training
  Caesar Cypher Solved by 596 Realist
  Print parameters Solved by 2455 Basics Command line
  Student class Solved by 1054 Realist
  Largest product in a series Solved by 841 Training
  Format your output Solved by 666 Realist
  Doing HTTP requests Solved by 806 Training
  Break a safe Solved by 655 Realist
  Longest Collatz sequence Solved by 807 Training
  Print the first parameter Solved by 1780 Basics Command line
  Simple adder Solved by 1674 Training Command line
  Roman Numerals Solved by 543 Realist
  Text framing Solved by 536 Realist
  Calculator Solved by 651 Realist Command line
  Lambda expressions Solved by 721 Training
  Largest product in a grid Solved by 492 Training
  Password Generator Solved by 583 Realist
  Side by side Solved by 491 Realist
  Py Master Mind Solved by 326 Realist
  Change for 42€ Solved by 256 Realist
  Sequence Mining Solved by 195 Realist
  Temperature class Solved by 449 Realist
  Pascal's triangle Solved by 477 Training
  Restaurant menu Solved by 273 Realist
  Magic Square Solved by 28 Realist
  Abelian sandpiles Solved by 233 Realist Numpy
  CSV and Python Solved by 312 Training
  Make your own 2048 in Python! Solved by 134 Numpy
  Elementary cellular automaton Solved by 192 Realist
  bencode, bdecode Solved by 248 Realist
  Fir tree Solved by 192 Command line Realist
  IRC logs as CSV Solved by 124 Realist
  Need more exercises ? Solved by 5 Realist
  Dirichlet solver Solved by 129 Numpy