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Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

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# '-' for empty position
# 'O' for marking O is there
# 'X' for marking X has made a turn there
board = "---------"

# Assuming I already have a dictionary `board_states` for lookup

def nextMove(curr_move):
    board[curr_move] = 'X'
    # simply lookup the value of next move from the dictionary

sahildua2305

<script type="text/javascript">var showButton = false;</script>
<script type="text/javascript">var apiKey = "YOUR_API_KEY";</script>
<script type="text/javascript" src="//rfer.co/api/v0/js/all.js"></script>

<script type="text/javascript">
var customer_name = "CUSTOMER_NAME"; // Replace CUSTOMER_NAME with the customer name
var customer_email = "CUSTOMER_EMAIL"; // Replace CUSTOMER_NAME with the customer email
var grandTotal = "GRAND_TOTAL"; // Replace GRAND_TOTAL with the total amount of the bill of customer
var subTotal = "SUBTOTAL"; // Replace SUBTOTAL with the subtotal amount of the bill of customer
var couponCode = "COUPON_CODE"; // Replace COUPON_CODE with the coupon code applied by customer. Leave it blank if no coupon code is applied.