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# Python | Decimal is_subnormal() method

Decimal#is_subnormal() : is_subnormal() is a Decimal class method which checks whether the Decimal value is subnormal.

```Syntax:
Decimal.is_subnormal()

Parameter:
Decimal values

Return:
true - if the Decimal value is subnormal
otherwise false

```

Code #1 : Example for is_subnormal() method

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

Output :

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

Decimal a with is_subnormal() method :  False
Decimal b with is_subnormal() method :  False

```

Code #2 : Example for is_subnormal() method

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

Output :

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

Decimal a with is_subnormal() method :  False
Decimal b with is_subnormal() method :  False
```

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