FLOAT_NUMfloatnumberINTEGERintvalueroundsTo 类图 Number+float number+int round()+int toInt() 在这个示例中,我们展示了如何通过关系和类结构来理解问题的建模方式。 希望这篇文章能够帮助你更深入地理解 Python 中四舍五入到整数的方法,并帮助你成为更好的开发者!
valuesRounded = [round(number) for number in values] valuesRoundUp = [math.ceil(number) for number in values] valuesRoundDown = [math.floor(number) for number in values] Output data print(“Original values:\n”, values) print(“Rounded:\n”, valuesRounded) print(“Rounded up to next in...
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...
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...
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...
First, though, we will need to install and import NumPy.# install numpy pip install numpy # import numpy import numpy as npNext, we will use np.array() function to convert the list of floats to integer.int_list = np.array(float_list).astype(int).tolist() print(int_list) # [1, ...
# Import the Decimal class and the ROUND_UP rounding mode from the decimal module from decimal import Decimal, ROUND_UP # Create a Decimal object from a string representation of a floating-point number d = Decimal("-3.14159") # Round the Decimal object to nearest integer using the ROUND_UP...
/*[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...
Integer Division Exponents The Modulus Operator Arithmetic Expressions Make Python Lie to You Math Functions and Number Methods Round Numbers With round() Find the Absolute Value With abs() Raise to a Power With pow() Check if a Float Is Integral Print Numbers in Style Complex Numbers Conclusion...
int_num = round(num) except ValueError: print(f"Error: '{s}' cannot be converted to a number.") 实际应用 在实际的数据处理或用户输入验证中,经常需要处理用户输入或外部数据源中的字符串。确保这些字符串能被正确转换为整数或其他数值类型,是避免程序错误和提高数据质量的关键。通过上述方法,你可以更加灵...