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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def read_passwd_file(pass_file):
 """Read password from external file and retrun as string. The file should contain just single line. Prevents hard-coding password anywhere in this script. IMPORTANT! Password is stored as plain text! Do NOT use with your personal account!" Args: pass_file (str):
 /path/to/pass_file """

    with open(pass_file) as fin:
        passwd = fin.read().strip()
    return passwd