Python · Theory

complex()

Theory

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complex() is built into Python. You do not import it. Freshers only need one honest call and the printed result — not a long definition.

complex() — output — (2+3j). Real + imaginary.

Wrong type often raises TypeError. Empty values matter for bool/all/any. Don’t mix complex up with a similar name (sorted vs sort, int vs float).

Exam tip

Call complex() once and say what prints.

# complex()
print(complex(2, 3))

complex() — output: (2+3j). Real + imaginary.