Why should we create a variable?

The reason we create variables is to store values in a way that makes our code easier to manage and update.

Take this example:

print("Hi everyone!")
print("Hi everyone!")
print("Hi everyone!")
print("Hi everyone!")

Now, suppose you want to greet your friend instead, say Alice. You’d have to manually change every line:

print("Hi Alice!")
print("Hi Alice!")
print("Hi Alice!")
print("Hi Alice!")

That can get repetitive and time-consuming, especially as your program grows. But if you use a variable, things get much simpler:

greeting = "Hi everyone!"

print(greeting)
print(greeting)
print(greeting)
print(greeting)
print(greeting)

Now, to greet Alice, you only need to change the value in one place:

greeting = "Hi Alice!"

print(greeting)
print(greeting)
print(greeting)
print(greeting)
print(greeting)

As you can see, variables help save time and make your code more flexible. And when you're working with more data or writing bigger programs, they become even more useful.