GH-215: String in General (#216)

Author: rain1024

.github/ISSUE_TEMPLATE/new-article.yml

@@ -35,12 +35,12 @@ body:
         - Set
         - Hash Table
         - Tree
+        - Big-O
+        - Bitwise
         - Sorting
         - Searching
         - Brute force, Backtracking
         - Greedy
-        - Big-O
-        - Bitwise
         - Range queries (prefix sum)
         - Dynamic Programming (Basic)
         - Dynamic Programming (Intermediate)

README.md

@@ -68,8 +68,8 @@ A data structure is a data organization, management, and storage format that is
 <a href="/concepts/general/array/README.md">Array</a>
 </li>
 <li>
-<code>B</code> String
-<a href="/concepts/python/string.md"><code>py🐍</code></a>
+<code>B</code>
+<a href="/concepts/general/string/README.md">String</a>
 </li>
 <li>
 <code>B</code> Linked List

concepts/general/array/README.md

@@ -1,6 +1,10 @@
 # Array
 
-*See implementation in* [C++](/concepts/cpp/array/README.md), Java, [Python](/concepts/python/array/README.md), [Typescript](/concepts/typescript/array/README.md)
+*See implementation in*
+[C++](/concepts/cpp/array/README.md),
+Java,
+[Python](/concepts/python/array/README.md),
+[Typescript](/concepts/typescript/array/README.md)
 
 An array is a data structure that contains a group of elements. Each element can be accessed using an index. The index of the first element is 0, and the index of the last element is the length of the array minus 1.
 

concepts/general/string/README.md

@@ -0,0 +1,30 @@
+# String
+
+*See implementation in* 
+C++, 
+Java, 
+[Python](/concepts/python/string/README.md),
+Typescript
+
+In competitive programming, programmers use strings or arrays to store and manipulate sequences of characters. This data structure is straightforward, fast, and easy to use. 
+
+## String Operations
+
+Here are some basic operations that you can perform on strings:
+
+* Initialization: Create a string with given value
+* Accessing Characters: Access a character by its index (zero-based)
+* Updating Characters: Update a character by its index
+* Traversal: Visit all characters of the string
+* Length: Get the number of characters in the string
+* Substring: Extract a portion of the string
+* Comparison: Compare two strings for equality
+* Reversal: Reverse the order of characters in the string
+* Uppercase: Convert all characters in the string to uppercase
+* Lowercase: Convert all characters in the string to lowercase
+
+## 🔗 Further Reading
+
+* [String (computer science)](https://en.wikipedia.org/wiki/String_(computer_science)), wikipedia
+* ▶️ [Strings](https://youtu.be/tI_tIZFyKBw?t=5369), CS50
+* ▶️ [CS50 Explained 2016 - Week 2 - Strings](https://www.youtube.com/watch?v=XLd2C9bF6_Q&ab_channel=CS50), CS50

concepts/python/string.md renamed to concepts/python/string/README.md

@@ -24,7 +24,7 @@ A data structure is a data organization, management, and storage format that is
 <a href="/concepts/python/array/README.md">Array</a>
 </li>
 <li><code>B</code>
-<a href="/concepts/python/string.md">String</a>
+<a href="/concepts/python/string/README.md">String</a>
 </li>
 <li>
 <code>B</code>