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How do I reduce the number of decimal places in Python?
Call str. format(*args) with “{:. 2f}” as str and a float as *args to limit the float to two decimal places as a string.
“how to print value to only 3 decimal places python” Code Answer’s
meaning that the exact number stored in the computer is approximately equal to the decimal value 0.100000000000000005551115123125. In versions prior to Python 2.7 and Python 3.1, Python rounded this value to 17 significant digits, giving ‘0.10000000000000001’.
If you want to restrict number to 2 decimal places, you have to use the round() of Python. Round function requires two arguments to pass for the conversion. The first argument is the float variable whose value you want to change or limit. The second argument is the number of decimal places you want to convert to.
You can also convert or restrict the number to 2 decimal place using the round function. To learn the conversion, you have to read the next section of the post with round (). If you want to restrict number to 2 decimal places, you have to use the round () of Python. Round function requires two arguments to pass for the conversion.
We store that value in the factor variable. Then we call the math.trunc () function. Inside the function’s parentheses we specify the value to truncate ( number) multiplied with our correction factor. Then we divide by the factor variable to get the proper number of decimal places. Say we want to truncate 12.3456 to 2 decimal places.
Python has several ways to round decimal digits: The round () function rounds decimal places up and down. This makes 4.458 into 4.46 and 8.82392 into 8.82. To round decimal places up we have to use a custom function. That way 8.343 becomes 8.35.