# How does round () work in Python?

The round() function returns a floating point number that is a rounded version of the specified number, with the specified number of decimals. The default number of decimals is 0, meaning that the function will return the nearest integer.

Does Python round 0.5 up or down?

Q4. In Python, the round() function rounds up or down? The round() function can round the values up and down both depending on the situation. **For <0.5, it rounds down, and for >0.5, it rounds up**.

## How do you round to 2 decimal places in Python?

Use the ceil() function(returns a ceiling value of the number i.e., the smallest integer greater than or equal to the number), to round the number upto the 2 decimal places and print the resultant number.

## Does round () round up or down Python?

**The round() function rounds a number to the nearest whole number**. The math. ceil() method rounds a number up to the nearest whole number while the math. floor() method rounds a number down to the nearest whole number.

What does the round () do?

If num_digits is greater than 0 (zero), then number is rounded to the specified number of decimal places. If num_digits is 0, the number is rounded to the nearest integer. If num_digits is less than 0, the number is rounded to the left of the decimal point. To always round up (away from zero), use the ROUNDUP function.

## How do you round 4.5 to 5 in Python?

The inbuilt Python function **round()** makes it simple and easy. The parameters in the round() function are: number – number to be rounded. number of digits (Optional) – number of digits up to which the given number is to be rounded.

## What is the result of round 0.5 round (- 0.5 in Python?

-1

19. What is the result of round(0.5) – round(-0.5)? a) 1.0 b) 2.0 c) 0.0 d) None of the mentioned Answer: b Explanation: Python rounds off numbers away from 0 when the number to be rounded off is exactly halfway through. round(0.5) is 1 and round(-0.5) is **-1**.

## How do you round a number to 3 digits in Python?

**Python 3 – Number round() Method**

- Description. round() is a built-in function in Python. …
- Syntax. Following is the syntax for the round() method − round( x [, n] )
- Parameters. x − This is a numeric expression. …
- Return Value. This method returns x rounded to n digits from the decimal point.
- Example. …
- Output.

How do you round off 2 decimal places?

Places a 0.2 to 6 when rounding to two decimal places we look at the digit in the thousandth. Place the digit in the thousandths. Place is 6 recall that four digits five or more we round up.

## Why does Python round 2.5 to 2?

For example, 2.5 will be rounded to 2, since **2 is the nearest even number**, and 3.5 will be rounded to 4.

## How do you round to 2 decimal places?

With a two to the right in the thousandths. Two is four or less so we stay the same this decimal rounds to thirty-two.

What is round 7.5 in Python?

Similarly, we can see that

7.5 is rounded up to 8, the closest even value to 7.5. The same technique applies when floating-point numbers are rounded off in python.

## What is the result of round 0.5 round 0.5 in Python?

What is the result of round(0.5) – round(-0.5)? **a) 1.0 b) 2.0 c) 0.0 d) None of the mentioned** Answer: b Explanation: Python rounds off numbers away from 0 when the number to be rounded off is exactly halfway through. round(0.5) is 1 and round(-0.5) is -1.

## How do you round 1.5 to 2 in python?

The function **round()** rounds 1.5 up to 2, and 2.5 down to 2.

### What does ~~~ 5 evaluate to?

In the question, x value is given as 5 and “~” is repeated 6 times. So, the correct answer for “~~~~~~5” is **5**.

### Is the output of round 3.11321 1 is 3.2 in Python?

Answer: **Option 1 , that output of round(3.11321,1) is 3.2, is False**. Explanation: Option 1 is incorrect as the output of round(3.11321,1) is 3.1 in python, not 3.2.

## What is 6.998 rounded to 2 significant figures?

Ali says that 6.998 rounded to 2 significant figures is **7**.

What is 2.5 rounded 2 decimal?

- Both
**1.5 and 2.5 are rounded to 2**. 3.5 and 4.5 are rounded to 4 .

## How do you round 1.5 to 1 in Python?

Python Programming offers a built-in **round() function** which rounds off a number to the given number of digits and makes rounding of numbers easier. The function round() accepts two numeric arguments, n and n digits then returns the number n after rounding it to digits.

How do you round 1.5 to 2 in Python?

- The function
**round()**rounds 1.5 up to 2, and 2.5 down to 2.

## Why round 2.5 is 2 in Python?

For example, 2.5 will be rounded to 2, since **2 is the nearest even number**, and 3.5 will be rounded to 4.

## What is 2.5 round in Python?

For example, **2.5 will be rounded to 2**, since 2 is the nearest even number, and 3.5 will be rounded to 4.

## What is the output of 0.1 0.2 == 0.3 in Python?

0.1 + 0.2: This equals 0.3, but in floating-point: (0.1 + 0.2) == 0.3 is false. This is because 0.1, 0.2 and 0.3 cannot be precisely represented in base 2 floating-point. but **the output is actually true** .

## What is eval () in Python?

The eval() function **evaluates the specified expression**, if the expression is a legal Python statement, it will be executed.

## What is 3.1415926536 to 10 decimal places?

So how exact are we talking? **The value of (to 10 decimal places) is 3.1415926536**… The value of 22/7 (to 10 decimal places) is 3.1428571429… So, you can see that theses numbers differ from the third decimal place onwards, it's not perfect.

## What is 2648 rounded to 2 significant figures?

2600

What is 2648 to two significant figures? 2648 to two significant figures is **2600**.