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# Python program for addition and subtraction of complex numbers

• Last Updated : 30 Jan, 2020

Given two complex numbers z1 and z2. The task is to add and subtract the given complex numbers.

Addition of complex number: In Python, complex numbers can be added using `+` operator.

Examples:

```Input:  2+3i, 4+5i

Input: 2+3i, 1+2i
```
 `# Python program to add``# two complex numbers`` ` ` ` `# function that returns``# a complex number after``# adding``def` `addComplex( z1, z2):``    ``return` `z1 ``+` `z2`` ` `# Driver's code``z1 ``=` `complex``(``2``, ``3``)``z2 ``=` `complex``(``1``, ``2``)``print``( ``"Addtion is : "``, addComplex(z1, z2))`

Output:

```Addtion is :  (3+5j)
```

Subtraction of complex numbers: Complex numbers in Python can be subtracted using `-` operator.

Examples:

```Input: 2+3i, 4+5i
Output: Subtraction is : -2-2i

Input: 2+3i, 1+2i
Output: Subtraction is : 1+1i
```
 `# Python program to subtract``# two complex numbers`` ` ` ` `# function that returns``# a complex number after``# subracting``def` `subComplex( z1, z2):``    ``return` `z1``-``z2`` ` `# driver program``z1 ``=` `complex``(``2``, ``3``)``z2 ``=` `complex``(``1``, ``2``)``print``( ``"Subtraction is : "``, subComplex(z1, z2))`

Output:

```Subtraction is :  (1+1j)
```

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