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MishuBufnita · Jul 21, 2022 · 29cdf0f · 29cdf0f
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diff --git a/Day 001 - Licenses and Pragma/cover.png b/Day 001 - Licenses and Pragma/cover.png
diff --git a/Day 002 - Comments/cover.png b/Day 002 - Comments/cover.png
diff --git a/Day 003 - Initializing Basic Contract/cover.png b/Day 003 - Initializing Basic Contract/cover.png
diff --git a/Day 004 - Variables and Scopes/cover.png b/Day 004 - Variables and Scopes/cover.png
diff --git a/Day 005 - Operators/cover.png b/Day 005 - Operators/cover.png
diff --git a/Day 005 - Operators/readme.md b/Day 005 - Operators/readme.md
diff --git a/Day 006 - Types/cover.png b/Day 006 - Types/cover.png
diff --git a/Day 007 - Functions/cover.png b/Day 007 - Functions/cover.png
diff --git a/Day 008 - Loops/cover.png b/Day 008 - Loops/cover.png
diff --git a/Day 009 - Decision Making/cover.png b/Day 009 - Decision Making/cover.png
diff --git a/Day 01 - Licenses and Pragma/cover.png b/Day 01 - Licenses and Pragma/cover.png
diff --git a/Day 001 - Licenses and Pragma/readme.md → Day 01 - Licenses and Pragma/readme.md b/Day 001 - Licenses and Pragma/readme.md → Day 01 - Licenses and Pragma/readme.md
@@ -1,5 +1,5 @@
 <div align="center">
-  <h1> 100 Days Of Solidity: Licences and Pragma</h1>
+  <h1> 30 Days Of Solidity: Licenses and Pragma</h1>
   <a class="header-badge" target="_blank" href="https://dev.to/envoy_">
   <img src="https://img.shields.io/badge/dev.to-0A0A0A?style=for-the-badge&logo=devdotto&logoColor=white">
   </a>
@@ -11,20 +11,21 @@
 <a href="https://dev.to/envoy_" target="_blank">Vedant Chainani</a><br>
 <small> June, 2022</small>
 </sub>
+
 </div>
 
-[Day 2 >>](../Day%20002%20-%20Comments/readme.md)
+[Day 2 >>](../Day%2002%20-%20Comments/readme.md)
 
 ![Day X](./cover.png)
 
 ---
 
 # 📔 Day 1
 
-## Licences
+## Licenses
 
 ```solidity
-// SPDX-Licence-Identifier: Licence Name
+// SPDX-License-Identifier: License Name
 ```
 
 SPDX license identifiers should be added to the top of contract files.
@@ -34,10 +35,10 @@ The license should be from one of the following: [https://spdx.org/licenses/](h
 
 ❗ If there are multiple license identifiers in the contract file the compiler will now show an error.
 
-eg - 
+eg -
 
 ```solidity
-// SPDX-Licence-Identifier: MIT
+// SPDX-License-Identifier: MIT
 ```
 
 ---
@@ -61,4 +62,4 @@ pragma solidity 0.8.7;
 
 ---
 
-[Day 2 >>](../Day%20002%20-%20Comments/readme.md)
+[Day 2 >>](../Day%2002%20-%20Comments/readme.md)
diff --git a/Day 010 - Arrays/cover.png b/Day 010 - Arrays/cover.png
diff --git a/Day 011 - Array Operations/cover.png b/Day 011 - Array Operations/cover.png
diff --git a/Day 012 - Enums/cover.png b/Day 012 - Enums/cover.png
diff --git a/Day 013 - Structs/cover.png b/Day 013 - Structs/cover.png
diff --git a/Day 014 - Mappings/cover.png b/Day 014 - Mappings/cover.png
diff --git a/Day 015 - Units/cover.png b/Day 015 - Units/cover.png
diff --git a/Day 016 - Require Statement/cover.png b/Day 016 - Require Statement/cover.png
diff --git a/Day 017 - Assert Statement/cover.png b/Day 017 - Assert Statement/cover.png
diff --git a/Day 018 - Revert Statement/cover.png b/Day 018 - Revert Statement/cover.png
diff --git a/Day 019 - Function Modifiers/cover.png b/Day 019 - Function Modifiers/cover.png
diff --git a/Day 02 - Comments/cover.png b/Day 02 - Comments/cover.png
diff --git a/Day 002 - Comments/readme.md → Day 02 - Comments/readme.md b/Day 002 - Comments/readme.md → Day 02 - Comments/readme.md
@@ -1,5 +1,5 @@
 <div align="center">
-  <h1> 100 Days Of Solidity: Comments and NatSpec</h1>
+  <h1> 30 Days Of Solidity: Comments and NatSpec</h1>
   <a class="header-badge" target="_blank" href="https://dev.to/envoy_">
   <img src="https://img.shields.io/badge/dev.to-0A0A0A?style=for-the-badge&logo=devdotto&logoColor=white">
   </a>
@@ -11,9 +11,10 @@
 <a href="https://dev.to/envoy_" target="_blank">Vedant Chainani</a><br>
 <small> June, 2022</small>
 </sub>
+
 </div>
 
-[<< Day 1](./../Day%20001%20-%20Licenses%20and%20Pragma/readme.md) | [Day 3 >>](./../Day%20003%20-%20Initializing%20Basic%20Contract/readme.md)
+[<< Day 1](./../Day%2001%20-%20Licenses%20and%20Pragma/readme.md) | [Day 3 >>](./../Day%2003%20-%20Initializing%20Basic%20Contract/readme.md)
 
 ![Day X](./cover.png)
 
@@ -24,7 +25,7 @@
 Solidity supports both C-style and C++-style comments, Thus −
 
 - Any text between a // and the end of a line is treated as a comment and is ignored by Solidity Compiler.
-- Any text between the characters /*and*/ is treated as a comment. This may span multiple lines.
+- Any text between the characters /_and_/ is treated as a comment. This may span multiple lines.
 
 ```solidity
 // This is a Single Line Comment
@@ -34,7 +35,7 @@ Solidity supports both C-style and C++-style comments, Thus −
 ```solidity
 /*
 
-This is A Multi-Line Comment 
+This is A Multi-Line Comment
 It can also Include Emojis 😃
 
 */
@@ -64,4 +65,4 @@ More on NatSpec - [here](https://docs.soliditylang.org/en/latest/natspec-format.
 
 ---
 
-[<< Day 1](./../Day%20001%20-%20Licenses%20and%20Pragma/readme.md) | [Day 3 >>](./../Day%20003%20-%20Initializing%20Basic%20Contract/readme.md)
+[<< Day 1](./../Day%2001%20-%20Licenses%20and%20Pragma/readme.md) | [Day 3 >>](./../Day%2003%20-%20Initializing%20Basic%20Contract/readme.md)
diff --git a/Day 020 - Constructors/cover.png b/Day 020 - Constructors/cover.png
diff --git a/Day 021 - Single Inheritance/cover.png b/Day 021 - Single Inheritance/cover.png
diff --git a/Day 022 - Multi-level Inheritance/cover.png b/Day 022 - Multi-level Inheritance/cover.png
diff --git a/Day 023 - Hierarchical Inheritance/cover.png b/Day 023 - Hierarchical Inheritance/cover.png
diff --git a/Day 024 - Multiple Inheritance/cover.png b/Day 024 - Multiple Inheritance/cover.png
diff --git a/Day 025 - Fallback and Receive Function/cover.png b/Day 025 - Fallback and Receive Function/cover.png
diff --git a/Day 03 - Initializing Basic Contract/cover.png b/Day 03 - Initializing Basic Contract/cover.png
diff --git a/...3 - Initializing Basic Contract/readme.md → ...3 - Initializing Basic Contract/readme.md b/...3 - Initializing Basic Contract/readme.md → ...3 - Initializing Basic Contract/readme.md
@@ -1,5 +1,5 @@
 <div align="center">
-  <h1> 100 Days Of Solidity: Initializing Basic Contract</h1>
+  <h1> 30 Days Of Solidity: Initializing Basic Contract</h1>
   <a class="header-badge" target="_blank" href="https://dev.to/envoy_">
   <img src="https://img.shields.io/badge/dev.to-0A0A0A?style=for-the-badge&logo=devdotto&logoColor=white">
   </a>
@@ -11,9 +11,10 @@
 <a href="https://dev.to/envoy_" target="_blank">Vedant Chainani</a><br>
 <small> June, 2022</small>
 </sub>
+
 </div>
 
-[<< Day 2](../Day%20002%20-%20Comments/readme.md) | [Day 4 >>](../Day%20004%20-%20Variables%20and%20Scopes/readme.md)
+[<< Day 2](../Day%2002%20-%20Comments/readme.md) | [Day 4 >>](../Day%2004%20-%20Variables%20and%20Scopes/readme.md)
 
 ![Day X](./cover.png)
 
@@ -40,4 +41,4 @@ MintNft
 
 ---
 
-[<< Day 2](../Day%20002%20-%20Comments/readme.md) | [Day 4 >>](../Day%20004%20-%20Variables%20and%20Scopes/readme.md)
+[<< Day 2](../Day%2002%20-%20Comments/readme.md) | [Day 4 >>](../Day%2004%20-%20Variables%20and%20Scopes/readme.md)
diff --git a/Day 04 - Variables and Scopes/cover.png b/Day 04 - Variables and Scopes/cover.png
diff --git a/Day 004 - Variables and Scopes/readme.md → Day 04 - Variables and Scopes/readme.md b/Day 004 - Variables and Scopes/readme.md → Day 04 - Variables and Scopes/readme.md
@@ -1,5 +1,5 @@
 <div align="center">
-  <h1> 100 Days Of Solidity: Variables and Scopes</h1>
+  <h1> 30 Days Of Solidity: Variables and Scopes</h1>
   <a class="header-badge" target="_blank" href="https://dev.to/envoy_">
   <img src="https://img.shields.io/badge/dev.to-0A0A0A?style=for-the-badge&logo=devdotto&logoColor=white">
   </a>
@@ -11,17 +11,17 @@
 <a href="https://dev.to/envoy_" target="_blank">Vedant Chainani</a><br>
 <small> June, 2022</small>
 </sub>
+
 </div>
 
-[<< Day 3](../Day%20003%20-%20Initializing%20Basic%20Contract/readme.md) | [Day 5 >>](../Day%20005%20-%20Operators/readme.md)
+[<< Day 3](../Day%2003%20-%20Initializing%20Basic%20Contract/readme.md) | [Day 5 >>](../Day%2005%20-%20Operators/readme.md)
 
 ![Day X](./cover.png)
 
 ---
 
 # 📔 Day 4
 
-
 # Variables
 
 Solidity supports three types of variables.
@@ -37,7 +37,7 @@ Solidity supports three types of variables.
 While naming your variables in Solidity, keep the following rules in mind.
 
 - You should not use any of the Solidity reserved keywords as a variable name. For example, break or boolean variable names are not valid.
-- Solidity variable names should not start with a numeral (0-9). They must begin with a letter or an underscore character. For example, 123test is an invalid variable name but _123test is a valid one.
+- Solidity variable names should not start with a numeral (0-9). They must begin with a letter or an underscore character. For example, 123test is an invalid variable name but \_123test is a valid one.
 - Solidity variable names are case-sensitive. For example, Name and name are two different variables.
 
 ---
@@ -56,6 +56,7 @@ contract SolidityTest {
    }
 }
 ```
+
 ---
 
 ## Local Variable
@@ -79,14 +80,15 @@ contract SolidityTest {
 ```
 
 # Global Variables
+
 These are special variables which exist in global workspace and provide information about the blockchain and transaction properties.
 
-| Name | Returns |
- ---  | --- |
-|  blockhash(uint blockNumber) returns (bytes32)  |  Hash of the given block - only works for 256 most recent, excluding current, blocks   |
-| block.coinbase (address payable)   |   Current block miner's address  |
-| block.difficulty (uint)   |   Current block difficulty  |
-|  block.gaslimit (uint)  | Current block gaslimit    |
+| Name                                          | Returns                                                                             |
+| --------------------------------------------- | ----------------------------------------------------------------------------------- |
+| blockhash(uint blockNumber) returns (bytes32) | Hash of the given block - only works for 256 most recent, excluding current, blocks |
+| block.coinbase (address payable)              | Current block miner's address                                                       |
+| block.difficulty (uint)                       | Current block difficulty                                                            |
+| block.gaslimit (uint)                         | Current block gaslimit                                                              |
 
 More on Global Variables [here](https://docs.soliditylang.org/en/v0.8.10/units-and-global-variables.html#block-and-transaction-properties)
 
@@ -100,14 +102,14 @@ Scope of local variables is limited to function in which they are defined but St
 - `Internal` − Internal state variables can be accessed only internally from the current contract or contract deriving from it without using this.
 - `Private` − Private state variables can be accessed only internally from the current contract they are defined not in the derived contract from it.
 
-eg- 
+eg-
 
 ```solidity
 pragma solidity ^0.8.6;
 contract C {
    uint public data = 30;
    uint internal iData= 10;
-   
+
    function x() public returns (uint) {
       data = 3; // internal access
       return data;
@@ -135,4 +137,4 @@ contract D is C {
 
 ---
 
-[<< Day 3](../Day%20003%20-%20Initializing%20Basic%20Contract/readme.md) | [Day 5 >>](../Day%20005%20-%20Operators/readme.md)
+[<< Day 3](../Day%2003%20-%20Initializing%20Basic%20Contract/readme.md) | [Day 5 >>](../Day%2005%20-%20Operators/readme.md)
diff --git a/Day 004 - Variables and Scopes/variables.sol → Day 04 - Variables and Scopes/variables.sol b/Day 004 - Variables and Scopes/variables.sol → Day 04 - Variables and Scopes/variables.sol
diff --git a/Day 05 - Operators/cover.png b/Day 05 - Operators/cover.png