def abs_value2(): #使用内置函数求绝对值 a = float(input('2.请输入一个数字:')) a = abs(a) print('绝对值为:%f' % a) def abs_value3(): #使用内置的math模块求绝对值 a = float(input('3.请输入一个数字:')) a = math.fabs(a) print('绝对值为:%f' % a) abs_value1() abs_...
def absolute_value(x):return x if x >= 0 else -x 方法同上,只是代码更紧凑。def absolute_value(x):return max(x, -x)如果数字 𝑥 为负数,则此函数将返回其正值。否则,它将返回 𝑥 本身。from math import sqrtdef absolute_value(x):return sqrt(pow(x, 2))使用math模块的平方根函数sqrt...
# Get the floating-point absolute value from each fabs_A = math.fabs(valueA) fabs_B = math.fabs(valueB) fabs_C = math.fabs(valueC) fabs_D = math.fabs(valueD) # Output the results print("Absolute floating-point values with `fabs()`:") print("|", valueA, "| = ", fabs_A, ...
>>> math.ceil(-3.01) -3copysign#把y的正负号加到x前面,可以使用0 copysign(x, y) Return a float with the magnitude (absolute value) of x but the sign of y. On platforms that support signed zeros, copysign(1.0, -0.0) returns -1.0.>>> math.copysign(2,3) 2.0 >>> math.copysign...
(45+23)) print('abs(math.pi)的值:',abs(math.pi)) print(help(abs)) #运行结果: abs(45)的值: 45 abs(-45)的值: 45 abs(45+23)的值: 68 abs(math.pi)的值: 3.141592653589793 Help on built-in function abs in module builtins: abs(x, /) Return the absolute value of the argument...
>>> math.ceil(-3.01) -3 copysign #把y的正负号加到x前面,可以使用0 copysign(x, y) Return a float with the magnitude (absolute value) of x but the sign of y. On platforms that support signed zeros, copysign(1.0, -0.0) returns -1.0. >>> math.copysign(2,3) 2.0 >>> math.copy...
以下是一个使用math库的示例代码: import math 计算平方根 sqrt_result = math.sqrt(16) print("Square root of 16 is:", sqrt_result) 计算绝对值 abs_result = math.fabs(-5) print("Absolute value of -5 is:", abs_result) 计算阶乘
示例 def absolute_value(num): """这个函数返回输入数字的绝对值""" if num >= 0: return num else: return -num print(absolute_value(2)) print(absolute_value(-4)) 输出结果 2 4 Function如何在Python中工作?Python中的函数工作原理 变量的作用域和生命周期 变量的作用域是程序中可以识别该变量的部分...
Math Functions and Number MethodsPython has a few built-in functions that you can use to work with numbers. In this section, you’ll learn about three of the most common:round(), for rounding numbers to some number of decimal places abs(), for getting the absolute value of a number pow...
""" Return x**y (x to the power of y). """返回次幂importmathprint(math.pow(2,3))# x**y2**3 Python内置数学计算(直接使用) abs(x) round(x) 取绝对值abs(x) 代码语言:javascript 代码运行次数:0 运行 AI代码解释 """ Return the absolute value of the argument. """这个参数的绝对值...