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Python Decimal number_class()用法及代码示例


Decimal#number_class():number_class()是Decimal类方法,它返回Decimal值的类的指示。

用法: Decimal.number_class()

参数:  Decimal values

返回: indication of the class of Decimal value. 

代码#1:number_class()方法示例

# Python Program explaining  
# number_class() method 
  
# loading decimal library 
from decimal import *
  
  
# Initializing a decimal value 
a = Decimal(-1) 
  
b = Decimal('0.142857') 
  
# printing Decimal values 
print ("Decimal value a:", a) 
print ("Decimal value b:", b) 
  
  
# Using Decimal.number_class() method 
print ("\n\nDecimal a with number_class() method:", a.number_class()) 
  
print ("Decimal b with number_class() method:", b.number_class())

输出:


Decimal value a: -1
Decimal value b: 0.142857


Decimal a with number_class() method: -Normal
Decimal b with number_class() method: +Normal

代码2:number_class()方法示例

# Python Program explaining  
# number_class() method 
  
# loading decimal library 
from decimal import *
  
  
# Initializing a decimal value 
a = Decimal('-3.14') 
  
b = Decimal('321e + 5') 
  
# printing Decimal values 
print ("Decimal value a:", a) 
print ("Decimal value b:", b) 
  
  
# Using Decimal.number_class() method 
print ("\n\nDecimal a with number_class() method:", a.number_class()) 
  
print ("Decimal b with number_class() method:", b.number_class())

输出:

Decimal value a: -3.14
Decimal value b: 3.21E+7


Decimal a with number_class() method: -Normal
Decimal b with number_class() method: +Normal



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