python中number
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To delete the reference to a number object using del. The syntax of the del statement is: del var1[,var2[,var3[....,varN]]]]
Python中不同数据类型之间的转换规则(限number)
1 复数 2 浮点数 3 长整形 4 整形
绝对值函数abs对复数的作用则是 x+yi abs=xX+ yy开平方
Number Type Conversion:
Type int(x) to convert x to a plain integer.
Type long(x) to convert x to a long integer.
Type float(x) to convert x to a floating-point number.
Type complex(x) to convert x to a complex number with real part x and imaginary part zero.
Type complex(x, y) to convert x and y to a complex number with real part x and imaginary part y. x and y are numeric expressions
Built-in Number Functions:
Mathematical Functions:
Python includes following functions that perform mathematical calculations.
Random Number Functions:
Random numbers are used for games, simulations, testing, security, and privacy applications. Python includes following functions that are commonly used.
Trigonometric Functions:
Python includes following functions that perform trigonometric calculations.
Mathematical Constants:
The module also defines two mathematical constants:
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