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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 find_venv_DST():
 """Find where this package should be installed to in this virtualenv. For example: ``/path-to-venv/lib/python2.7/site-packages/package-name`` """

    dir_path = os.path.dirname(SRC)

    if SYS_NAME == "Windows":
        DST = os.path.join(dir_path, "Lib", "site-packages", PKG_NAME)
    elif SYS_NAME in ["Darwin", "Linux"]:
        python_version = find_linux_venv_py_version()
        DST = os.path.join(dir_path, "lib", python_version, "site-packages", PKG_NAME)

    return DST