print(“Rounded down to next integer:\n”, valuesRoundDown) 复制代码 首先,我们导入math模块。这样就可以使用math.ceil()和math.floor()舍入功能。然后,我们创建一个名为的列表values,其中包含多个浮点值。 为了将这些值四舍五入为整数,我们进行了三个列表推导。第一个round()针对每个列表值执行。其他两个在...
round() Syntax round(number, ndigits) round() Parameters Theround()function takes two parameters: number- the number to be rounded. ndigits (optional)- number up to which the given number is rounded; defaults to0. round() Return Value Theround()function returns the nearest integer to the ...
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 types...
if self.entry_time and self.exit_time:parking_time = (self.exit_time - self.entry_time).total_seconds() / 3600 # convert to hoursfee_per_hour = 10 # fee per hourself.total_fee = int(parking_time * fee_per_hour) # round to integer because we cannot have partial fee!def get_fee...
Python3.6内置函数——round 英文文档 (number[,ndigits]) Returnnumberrounded tondigitsprecision after the decimalpoint. Ifndigitsis omitted or is , it returns thenearest integer to its input. round() round(number[, ndigits])。 1、round函数用于对浮点数进行四舍五入求值,具体保留几位小数,以传入...
help(round(-2.01))Helponintobject:classint(object)|int([x])->integer|int(x,base=10)->integer python在计算表达式时,是按照从内到外的顺序依次进行。首先计算round(-2.01),然后针对该表达式的输出提供帮助。 (关于整数还有很多内容要讲,后续我们将继续讨论python对象、方法、属性,上面提到的帮助输出将更有...
Python内置函数(55)——round 英文文档: round(number[,ndigits]) Return the floating point valuenumberrounded tondigitsdigits after the decimal point. Ifndigitsis omitted, it returns the nearest integer to its input. Delegates tonumber.__round__(ndigits)....
numberRequired. The number to be rounded digitsOptional. The number of decimals to use when rounding the number. Default is 0 More Examples Example Round to the nearest integer: x =round(5.76543) print(x) Try it Yourself » ❮ Built-in Functions ...
/*[clinic input]round as builtin_roundnumber: objectndigits: object = NoneRound a number to a given precision in decimal digits.The return value is an integer if ndigits is omitted or None. Otherwisethe return value has the same type as the number. ndigits may be negative.[clinic start...
int("5")# 转换为整数 integer float(2)# 转换为浮点数 float long("23")# 转换为长整数 long integer str(2.3)# 转换为字符串 string complex(3, 9)# 返回复数 3 + 9i ord("A")# "A"字符对应的数值 chr(65)# 数值65对应的字符 unichr(65)# 数值65对应的unicode字符 ...