[vluzzy]

Example Script: Hello, World!
Python:

python

print("Hello, World!")

JavaScript (Node.js):

javascript

console.log("Hello, World!");

C++:

cpp

#include <iostream>

int main() {
std::cout << "Hello, World!" << std::endl;
return 0;
}

Syntax Differences:

Print Statement:
Python: Uses print("Hello, World!").
JavaScript: Uses console.log("Hello, World!");.
C++: Uses std::cout << "Hello, World!" << std::endl;.

Syntax for Comments:
Python: Uses # for single-line comments and ''' or """ for multi-line comments.
JavaScript: Uses // for single-line comments and /* */ for multi-line comments.
C++: Uses // for single-line comments and /* */ for multi-line comments.

Variable Declaration:
Python: Variables are dynamically typed; no explicit type declarations are needed.

python

message = "Hello, World!"

JavaScript: Also dynamically typed.

javascript

var message = "Hello, World!";

C++: Requires explicit type declarations.

cpp

#include <string>

int main() {
std:tring message = "Hello, World!";
return 0;
}

Function Definition:

Python:

python

def greet(name):
print("Hello, " + name + "!")

JavaScript:

javascript

function greet(name) {
console.log("Hello, " + name + "!");
}

C++:

cpp

#include <iostream>

void greet(std:tring name) {
std::cout << "Hello, " << name << "!" << std::endl;
}

int main() {
greet("World");
return 0;
}