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T
2 years ago
Taibasardarcountry asked
Abhilekh Gautam
Expert
2 years ago

Programming can seem challenging at first, but like any new skill, it becomes easier with practice. The key is to start with the basics, take things step by step, and stay consistent.

What makes programming exciting is that it’s all about problem-solving and creativity. You don’t need to be a genius, just curious and willing to learn!

And remember, everyone learns at their own pace. With the right resources (like this course!) and some patience, you’ll get the hang of it in no time.

If you have any questions along the way, feel free to ask, I’m here to help!

This question was asked as part of the course.
Kelish Rai
Expert
last year
Kelish Rai answered

In this code:

def calculate_sum(n):
    
    total = 0
    
    for i in range(n+1):
        total += i
    
    return total
    
result = calculate_sum(100)
print(result)    # 5050

When you pass n to the range() function, it'll only iterate from i = 0 to i = n - 1.

So, to make sure it includes i = n as well, you need to pass n + 1 to the range() function.

This ensures the loop runs all the way from 0 up to n, giving you the desired sum.

Hope this helps. Let me know if you need more help or have further questions. I'm happy to help.

Python
This question was asked as part of the DSA with Python course.
Kelish Rai
Expert
2 years ago
Kelish Rai answered

By default, print() adds a new line after each call, which is why the above example prints on separate lines. To prevent this, you can add end=" " in your print() statement. For example,


print(11, end=" ")
print("How are you?")

Output

11 How are you?

The end=" " part tells Python to end the print() statement with a space instead of a new line.

Hope this helps. If you have more questions, feel free to let me know. I'm happy to help.

This question was asked as part of the course.
Abhilekh Gautam
Expert
2 years ago

Great question!.

You use int or float based on the type of number you want to work with.

  • Use int when you need to work with whole numbers (without decimals). Eg: 5, -5
  • Use float when you need to work with numbers with decimal points. Eg: 5.0, -5.45
Python
This question was asked as part of the Getting started with Python course.
L
2 years ago
Lucacountry asked
Kelish Rai
Expert
last year
Kelish Rai answered

Arrays work by storing multiple values in a single variable. Instead of creating a new variable for every value, you can group related values together in an array. This is especially useful when you have a list of items.

Here's a simple example:

const fruits = ["apple", "banana", "orange"];

In this example, fruits is an array that holds three values: apple, banana, and orange.

Here are some things that you can do with arrays:

  • Access values using their index: fruits[0]

  • Update values: fruits[1] = "mango"

  • Add values: fruits.push("grape")

  • Loop through values

Arrays are a basic but powerful tool in programming, and you’ll use them often when working with lists, collections, or structured data.

JS
This question was asked as part of the Learn JavaScript Basics course.
S
2 years ago
Selmacountry asked
Kelish Rai
Expert
last year
Kelish Rai answered

The importance of comments depends on whether you (or someone else) will need to read your code again in the future—which is almost always the case in real-world programming.

If you're working on a project with others, comments make it much easier for teammates to understand your code’s purpose and logic. Even if you're working alone, comments help you remember why you wrote something a certain way—especially if you revisit the code weeks or months later.

When to use comments:

  • To explain why something is done (not just what is done—that should be clear from good code and variable names).

  • To clarify complex logic or non-obvious decisions.

  • To mark sections of code like TODOs.

Note: Avoid over-commenting. Good code should be readable on its own, and excessive comments can clutter it. Think of comments as helpful guideposts, not a substitute for clear code.

HTML
This question was asked as part of the Learn HTML course.
H
2 years ago
H9910523@gmail.comcountry asked
Kelish Rai
Expert
2 years ago
Kelish Rai answered

It looks like you're a bit confused about the difference between printing 67 (a number) and "67" (a string). No worries—let me break it down for you with a simple example.

When printing "67" (a string), you need to enclose it in quotation marks:

cout << "67";

But when printing 67 (a number), you don’t need quotation marks:

cout << 67;

Hope this helps! If you need more clarification, feel free to ask a follow-up question below—I'm happy to help.

C++
This question was asked as part of the Learn C++ Basics course.
Abhilekh Gautam
Expert
2 years ago

No, you don’t have to memorize all the HTML tags. HTML is a beginner-friendly language, and over time, you’ll naturally become familiar with the most commonly used tags as you practice and build projects.

Let me know if you have any more questions, I’m happy to help!

HTML
This question was asked as part of the Learn HTML course.
Kelish Rai
Expert
2 years ago
Kelish Rai answered

I see you just completed the CSS Box Model project. If you're asking about height: auto;, I assume you're referring to this CSS rule:


.course-image {
    width: 160px;
    height: auto;
    margin-bottom: 16px;
}

The height: auto; rule allows images with the .course-image class to adjust their height automatically based on their width while maintaining their original aspect ratio.

Since we’ve only set the width, the image will scale proportionally—its height will adjust automatically to prevent distortion.

Hope this clears things up. If you have more questions, feel free to ask it below. I'm happy to help.

CSS
This question was asked as part of the Learn CSS course.
Samuel toluwanmi ibitola
2 years ago
Samuelcountry asked
Kelish Rai
Expert
2 years ago
Kelish Rai answered

F-strings are important in Python because they make it easier and cleaner to format strings.

For example, instead of formatting the output with the + operator like this:

firstName = "John"
lastName = "Doe"

print("My name is " + firstName + " " + lastName)

You can simply do this:

firstName = "John"
lastName = "Doe"

print(f"My name is {firstName} {lastName}")

As you can see, it's much easier to format the strings using f-strings than using string concatenation.

Python
This question was asked as part of the Getting started with Python course.