How to type absolute value in python

In Python, we can call the abs() function to get the absolute value of a number. The method is as follows

1. The first step is to define a variable a and call the abs() method to obtain the absolute value of 0 and return the corresponding absolute value

2. In the second step, use the abs() method again to obtain the absolute value of "-230". The absolute value of a negative number is the opposite number

3. In the third step, correct To get the absolute value of a positive number, call the abs() method. The absolute value of the positive number is itself

4. The fourth step is to call the abs() method to get the absolute value of the string. Value, the result shows that an error is reported, indicating that the string cannot obtain the absolute value

5. The fifth step is to use the abs() method again to obtain the absolute value of the logical type, but an error occurs An error was reported.

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