您当前仅检查当前是否只有一位小数点。 number.split(".")将返回一个列表。如果number是4.323,它将返回['4', '323']。 您真正想要在if子句中检查的是第二个元素的长度是 2。 if len(string_number[1]) != 2:
Like for example, in the above code, x = 1.234. The programmer needs to print only two decimal places after the decimal point i.e. x value should be 1.23. So for this purpose, we can use the round() function. Round to Two Decimals using round() Function Theround()function is a b...
How do you round a value to two decimal places in Python? That’s an excellent question. Luckily for you, Python offers a few functions that let you round numbers. Rounding numbers to two decimal places is common. Money only uses two decimal places; you do not want to process a ...
Python数字与数学 | Numeric & Mathematicaldecimal decimal 2.4版本中的新功能。 该decimal模块提供对十进制浮点运算的支持。它比float数据类型提供了几个优点: 十进制“是基于一个浮点模型,该模型是以人为本设计的,并且必须有一个最重要的指导原则 - 计算机必须提供一种与人们在学校学习的算术相同的算法。” - 摘...
How to Round a number to 2 Decimal Places in Python The simplest method to round a number to two decimal places in Python is by using the built-in round() function, which is pretty straightforward. # Using the round() function to round a number to two decimal places rounded_number =...
<< Bitwise left shift a << n Each bit is shifted left n places. As you can see in this table, most bitwise operators are binary, which means that they expect two operands. The bitwise NOT operator (~) is the only unary operator because it expects a single operand, which should always...
However, you want to generate an output up to two decimal places, i.e., Area = 78.54 Hence, without further delay, let us dive into the solutions to our problem. 💡 Method 1: Using String Formatting Python majorly has 3 ways of formatting a string. These are – str.format() f...
DataFrame.quantile([q, axis, numeric_only]) #返回分位数 DataFrame.rank([axis, method, numeric_only]) #返回数字的排序 DataFrame.round([decimals]) #Round a DataFrame to a variable number of decimal places. DataFrame.sem([axis, skipna, level, ddof]) #返回无偏标准误 ...
>>> import math Hit enter, and you're done. Now in order to use thesin()function, go to a new line and type: >>> math.sin(3.14159) Since3.14159is approximately the value ofπhence the answer would be near to zero. As you can see aftermath.sin(3.14159)statement, the answer returne...
The .2 in .2f rounds the number to two decimal places, and the f tells Python to display n as a fixed-point number. This means that the number is displayed with exactly two decimal places, even if the original number has fewer decimal places....