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# Python | Decimal is_signed() method

Decimal#is_signed() : is_signed() is a Decimal class method which checks whether the sign of Decimal value is negative

Syntax: Decimal.is_signed()

Parameter: Decimal values

Return: true – if the sign of Decimal value is negative; otherwise false

Code #1 : Example for is_signed() method

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

Output :

```Decimal value a :  -1
Decimal value b :  -Infinity

Decimal a with is_signed() method :  True
Decimal b with is_signed() method :  True

```

Code #2 : Example for is_signed() method

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

Output :

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

Decimal a with is_signed() method :  True
Decimal b with is_signed() method :  False
```

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