A complex number is composed of a real number and an imaginary number, expressed as: x yj A complex number is a pair of ordered floating point numbers (x, y), where x is the real part and y is the imaginary part.
Concepts about plural numbers in Python language: Recommended learning: Python video tutorial)
1. Imaginary numbers cannot exist alone. They always form a complex number together with a real part with a value of 0.0
2. A complex number consists of a real part and an imaginary part
3. Represents a complex number Syntax: real imagej
4. The real part and the imaginary part are both floating point numbers
5. The imaginary part must have the suffix j or J
#coding=utf8 aa=123-12j print aa.real # output 实数部分 123.0 print aa.imag # output虚数部分 -12.0
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