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import os path = os.getcwd() os.system('powershell.exe $env:path += "' + path + '\\ProgramFiles"')

This outputs as $env:path += c:\programfiles

And therefore returns as an error. Can someone explain why it removes the Quotation mark from the string and a possible solution?

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2 Answers 2

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Use raw strings, by inserting an r character before the quotes which start the string:

import os path = os.getcwd() os.system(r'powershell.exe $env:path += \"' + path + r'\\ProgramFiles\"')
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If you want to write a double quote inside a string delimited by double quotes you need to escape it. Try this -

import os path = os.getcwd() os.system('powershell.exe $env:path += \"' + path + '\\ProgramFiles\"')
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But the string in the question is not delimited by double quotes...

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