Write your Python code here:

Execute code using Python 2.7 Python 3.3 , hide frames of exited functions show frames of exited functions , inline primitives and nested objects render all objects on the heap , hide environment parent pointers show environment parent pointers , draw references using arrows use text labels for references , and show everything show only outputs .

Visualize Execution

Basic Examples:
hello | happy | intro | filter | tokenize | insertion sort | list comprehension

Math-Related Fun:
factorial | fibonacci | memoized fibonacci | square root | gcd | towers of hanoi

Higher-Order Functions:
closure 1 | closure 2 | closure 3 | closure 4 | closure 5
list map | summation | lambda param | student torture

User Input:
raw input

Object-Oriented Programming:
OOP 1 | OOP 2 | OOP 3 | inheritance

Linked Lists:
LL 1 | LL 2 | LL sum

Pointer Aliasing:
aliasing 1 | aliasing 2 | aliasing 3 | aliasing 4
aliasing 5 | aliasing 6 | aliasing 7 | aliasing 8 | sumList

More Python Tricks:
decorators | generators | gen expr | varargs | exceptions | for-else | nonlocal

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Online Python Tutor supports Python 2.7 and Python 3.3 with limited module imports and no file I/O. The following modules may be imported: bisect, collections, datetime, functools, heapq, json, math, operator, random, re, string

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