sudo apt-get install python-dev -y

E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?`

dpkg -s "python-pip" >/dev/null 2>&1 && {
    echo "python-pip is installed."
    echo
  } || {
    echo "ERROR: python-pip is not installed."
    //you may install python-pip here if you wish
  }