num=1234rounded_num=round(num,-1)print(f"{num}rounded to the nearest ten is{rounded_num}.") 1. 2. 3. 输出结果: 1234 rounded to the nearest ten is 1230. 1. 三、综合示例 现在,我们将通过一个综合示例结合百分号运算符和round()函数。假设我们希望计算
basic_round.py # Rounding to nearest integer print(round(3.14)) # 3 print(round(3.5)) # 4 (note: bankers rounding) print(round(3.6)) # 4 print(round(-3.14)) # -3 print(round(-3.5)) # -4 # Rounding with precision print(round(3.14159, 2)) # 3.14 print(round(3.14159, 3)) #...
预期结果:np.round(0.5)=1,实际运算结果:np.round(0.5)=0,于是我做了如下的试验# 基于python3.7版本 >>> import numpy as np # 先看看 0 < x < 1 这个范围的结果,发现有问题 >>> np.round(0.50) 0.0 >>> np.round(0.51) 1.0 >>> np.round(0.49) 0.0 # 我担心是不是只有小数点为.5的都会...
The nonlocal statement is used to refer to variables defined in the nearest outer (excluding the global) scope. def another_func(): a = 1 def another_inner_func(): nonlocal a a += 1 return a return another_inner_func() Output: >>> another_func() 2 The keywords global and non...
Forvalues exactly halfway between roundeddecimalvalues, NumPy roundstothe nearest even value. Thus1.5and2.5roundto2.0, -0.5and0.5roundto0.0, etc. # np.around使用快速但有时不精确的算法来舍入浮点数据类型。 # 对于正小数,它等效于np.true_divide(np.rint(a *10**小数),10**小数), # 由于IEEE...
For example, it allows for set membership testing, finding the largest or smallest value, finding the nearest neighbor of the target value, performing range queries, and more. If speed is a top priority, then binary search is not always the best choice. There are even faster algorithms that...
The round routine implements the most common method of rounding, which is also known as symmetric arithmetic rounding. It returns the nearest integer that corresponds to the given floating-point value. If the fractional part of an input value is equal to or greater than 0.5, then the resulting...
Fortunately, there’s a strategy known as rounding half to even, which is less biased than truncation, floor, or ceiling.Essentially, it rounds your fraction to the nearest whole number while preferring the closest even number for the equidistant halves. You can call round() to take advantage...
+Prostředí +--- + +Ubuntu 64bit 20.04 + +Autoři +--- + +EXPECT_DEATH() +- xkalen07 Jan Kalenda +- xkubin27 Tereza Kubincová +- xstrei06 Jaroslav Streit +- xmashl00 Nelia Mashlai + +Licence +--- + +Tento program je poskytován pod licencí GPL-3.0. diff --git a/ca...
)：返回商和余数a = divmod(5, 3) print(a) # (1, 2)round()：四舍五入a = round(10....