Python JSON: Check whether an instance is complex or not

Last update on March 27 2025 12:51:51 (UTC/GMT +8 hours)

7. Check Whether an Instance is Complex or Not

Write a Python program to check whether an instance is complex or not.

Sample Solution:-

Python Code:

import json

def encode_complex(object):
    # check using isinstance method
    if isinstance(object, complex):
        return [object.real, object.imag]
    # raised error if object is not complex
    raise TypeError(repr(object) + " is not JSON serialized")

complex_obj = json.dumps(2 + 3j, default=encode_complex)
print(complex_obj) 

Output:

[2.0, 3.0]
 

Flowchart:

For more Practice: Solve these Related Problems:

• Write a Python program to determine if a given variable is of type complex using isinstance().
• Write a Python program to check a list of mixed-type values and return those that are complex numbers.
• Write a Python program to implement a function that tests if the input is a complex number and returns True or False.
• Write a Python program to iterate over a set of variables and print only those that are instances of the complex type.

Python Code Editor:

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