或者是 format(math.pi, '.2f') # give 2 digits after the point 方法二：使用decimal模块。这...
There are two digits after the decimal which shows that our numeric data has been rounded to two decimal points. This method is more efficient than our first code snippet because all we want to do is print a value to the console. In this code, we’ve not used a round() statement. ...
First, wemultiply by 100so that our number has 2 digits after the decimal point, and then wedivide by 100at the end to get back ouroriginal number. Output: As you can see, the number was successfullyrounded up to 1.35. How do you round down 2 decimals in Python? Here, we can use...
简介 python标准库的解释及翻译round(number[, ndigits])Return the floating point value number rounded to ndigits digits after the decimal point. If ndigits is omitted, it returns the nearest integer to its input. Delegates to number.__round__(ndigits).For the built-in...
The str.format() the method is known for converting fractions into percentages by specifying the number of digits taken after the decimal point. "{:.n%}".format(num) n = the number of digits after decimal point num = the floating-point number expressed either as a decimal or a fraction...
2. 3. Step 4: Counting Decimal Places Once we have the fractional part of the number, we can count the number of digits after the decimal point using the len() function. decimal_places=len(fractional_part) 1. Step 5: Printing the Result ...
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Return the floating point valuenumberrounded tondigitsdigits after the decimal point. Ifndigitsis ...
import decimal By default, this module will output a decimal value with 50 digits after the decimal point. However, one can modify this to one’s requirement. This can be done by using thequantize( )function where the number of digits to which the decimal is to be rounded is given in ...
() Remove leading whitespace from s # ' hello ' => 'hello ' s.rstrip() Remove trailing whitespace from s # ' hello ' => ' hello' s.zfill(width) Left fill s with ASCII '0' digits with total length width # '42' => '00042' === import re --- match = re.search(regex, ...