msg = 'Hà Nội Đà Nẵng Cần Thơ'
        for i in msg.split():
            print(i[0], end=' ')
        

In Python, what character is used to begin a single-line comment?

What is the output of the following code?

my_string = "Python"
print(my_string[0])

What famous equation is used as the example for inline math?

What is the output of the following code? (Be precise)

print(type(input))

Based on the commands \ref and \pageref, what is the most likely functional difference between \label and \caption?

Which line of code correctly creates the caption "A nice plot."?

x = [1, 2, 3]  
x.insert(1, x)  
print(x)

In the text "As you can see in figure \ref{fig:mesh1}...", what will \ref{fig:mesh1} be replaced with in the final document?