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Armen Vartan 2014-12-02 16:34:40 -05:00
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10
python/11-factorial/README.md
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@ -3,17 +3,15 @@ Factorial!
Get the factorial of a given number. Using sys.argv, pass in a number and return it's factorial. Get the factorial of a given number. Using sys.argv, pass in a number and return it's factorial.
To calculate the factorial of 5, for example, the equation is: To calculate the factorial of 5, for example, the equation is ```5 * 4 * 3 * 2 * 1 = 120```
5 * 4 * 3 * 2 * 1 ###120 #### Iterative
###Iterative
Write the equation iteratively, using a for or while loop. How to use loops in Python is well documented [here](https://docs.python.org/3.4/tutorial/controlflow.html) Write the equation iteratively, using a for or while loop. How to use loops in Python is well documented [here](https://docs.python.org/3.4/tutorial/controlflow.html)
###Recursive #### Bonus
Now write this function recursively. If you run into difficulty, think about how your stack will develop as your function recurses and remember to define your base case. Write this function [recursively](http://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_3/Recursion). If you run into difficulty, think about how your stack will develop as your function recurses and remember to define your base case.
Write assert statements to test your code in both cases. Write assert statements to test your code in both cases.

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python/12-is-palindrome/README.md
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@ -1,16 +1,13 @@
Sarah Palindrome Sarah Palindrome
============ ================
Write a function that when given a word or sentence returns True if it is a palindrome and False if it isn't. Write a function that when given a word or sentence returns True if it is a palindrome and False if it isn't.
Your program should accept input using sys.argv. Your program should accept input using sys.argv.
```
python3 palindrome.py Taco Cat ###returns true python3 palindrome.py Taco Cat # returns true
```
###OOP You will want to make this case insensitive (Cat == cat). You can do this by make all letters upper or lower case.
You will also want to use strip to remove all non word characters.
Let's make sure this program adheres to good object oriented design. Your main function should ONLY check if it is a palindrome and return True or False. Any other functions you might need, like string operations - should be seperated. Every function should do only one thing.
Make the asserts pass and write more assert statements to test your code. Make the asserts pass and write more assert statements to test your code.

8
python/12-is-palindrome/palindrome.py
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@ -2,13 +2,11 @@ import sys
def is_palindrome(string): def is_palindrome(string):
pass pass
##this function should only check validity of the string, and rely on other functions for string operations
#assert statements #TESTS
assert(is_palindrome('greg is the man') == False), "Presumably random sentence should return false" assert(is_palindrome("greg is the man") == False), "Presumably random sentence should return false"
assert(is_palindrome("No Mel Gibson is a casino's big lemon") == True), "Palindrome should return true"
assert(is_palindrome('No Mel Gibson is a casino’s big lemon') == True), "Palindrome should return true"