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1. paper-trading paper-trading Public

   A Flask web application that allows users to paper trade US stocks while following the market, without using real money.

   Python

2. photo-filter photo-filter Public

   Applies grayscale, sepia, reflect, and blur photo filters to .bmp files.

   C

3. spell-check spell-check Public

   Loads and unloads .txt files from memory, examining spelling errors against a specified dictionary.

   C

4. dna dna Public

   Compares a DNA sequence with a database of individual sequences to determine a match.

   Python

5. credit credit Public

   Determines if a credit card number is valid, and whether it is a Visa, Mastercard, or American Express number.

   C

6. readability readability Public

   Determines the grade level difficulty of a block of text by using the Coleman-Liau Index.

   C