Decimal＃sqrt()：sqrt()是一个Decimal类方法，该方法将非负数的平方根返回上下文精度。
用法：Decimal.sqrt()
参数：十进制值
返回：非负数的平方根到上下文精度。
代码1：sqrt()方法示例
# Python Program explaining
# sqrt() method
# loading decimal library
from decimal import *
# Initializing a decimal value
a = Decimal(1)
b = Decimal(2)
# printing Decimal values
print ("Decimal value a : ", a)
print ("Decimal value b : ", b)
# Using Decimal.sqrt() method
print ("\n\nDecimal a with sqrt() method : ", a.sqrt())
print ("Decimal b with sqrt() method : ", b.sqrt())输出：
Decimal value a : 1 Decimal value b : 2 Decimal a with sqrt() method : 1 Decimal b with sqrt() method : 1.414213562373095048801688724
代码2：sqrt()方法的示例
# Python Program explaining
# sqrt() method
# loading decimal library
from decimal import *
# Initializing a decimal value
a = Decimal(300)
b = Decimal(15)
# printing Decimal values
print ("Decimal value a : ", a)
print ("Decimal value b : ", b)
# Using Decimal.sqrt() method
print ("\n\nDecimal a with sqrt() method : ", a.sqrt())
print ("Decimal b with sqrt() method : ", b.sqrt())输出：
Decimal value a : 300 Decimal value b : 15 Decimal a with sqrt() method : 17.32050807568877293527446342 Decimal b with sqrt() method : 3.872983346207416885179265400
相关用法
注：本文由纯净天空筛选整理自noobestars101大神的英文原创作品 Python | Decimal sqrt() method。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。