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Python | Decimal copy_sign() method

  • Last Updated : 11 Oct, 2019

Decimal#copy_sign() : copy_sign() is a Decimal class method which returns the copy of the first Decimal value with the sign set to be the same as the sign of the second Decimal value.

Syntax: 
Decimal.copy_sign()

Parameter: 
Decimal values

Return: 
the copy of the first Decimal value with the sign set
to be the same as the sign of the second Decimal value.

Code #1 : Example for copy_sign() method




# Python Program explaining 
# copy_sign() 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.copy_sign() method
print ("\n\nDecimal a with copy_sign() method : ", a.copy_sign(a))
  
print ("Decimal a with copy_sign() method : ", a.copy_sign(b))
  
print ("Decimal b with copy_sign() method : ", b.copy_sign(a))

Output :

Decimal value a :  -1
Decimal value b :  0.142857


Decimal a with copy_sign() method :  -1
Decimal a with copy_sign() method :  1
Decimal b with copy_sign() method :  -0.142857

Code #2 : Example for copy_sign() method




# Python Program explaining 
# copy_sign() 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.copy_sign() method
print ("\n\nDecimal a with copy_sign() method : ", a.copy_sign(a))
  
print ("Decimal a with copy_sign() method : ", a.copy_sign(b))
  
print ("Decimal b with copy_sign() method : ", b.copy_sign(a))

Output :

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


Decimal a with copy_sign() method :  -3.14
Decimal a with copy_sign() method :  3.14
Decimal b with copy_sign() method :  -3.21E+7

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