如何处理Python中的长行代码和命令

result = a_variable + another_variable \
         - a_third_variable * a_fourth_variable

result = (a_variable + another_variable
          - a_third_variable * a_fourth_variable)

result = (a_variable + another_variable
          - (a_third_variable * a_fourth_variable))

result = (a_variable + another_variable
          - (a_third_variable
             * a_fourth_variable))

command1 = "echo 'This is a long command'"
command2 = " | awk '{print $1}'"
command3 = " | sort"
command4 = " | uniq -c"
command5 = " | sort -nr"
command6 = " | head -n 10"

final_command = command1 + command2 + command3 + command4 + command5 + command6

import subprocess
import textwrap

long_string = "This is a long string that needs to be wrapped"
wrapped_string = textwrap.fill(long_string, width=20)

command = "echo '{0}'".format(wrapped_string)
subprocess.run(command, shell=True)

def my_function(a, b, c):
    """
    This function does something.

    Args:
        a (int): The first argument.
        b (int): The second argument.
        c (int): The third argument.

    Returns:
        int: The result of the function.
    """
    result = a + b + c
    return result