graph G {
    compound="true"
    rankdir="TB"
    bgcolor="white"
    fontname="Tahoma"

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="deepskyblue2"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#DC143C"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "cpp" -- "python" [label=" 1683 ", penwidth="10", color="#DC143CFF"];
    "cpp" -- "nodejs" [label=" 1655 ", penwidth="9", color="#DC143CED"];
    "nodejs" -- "python" [label=" 1654 ", penwidth="9", color="#DC143CED"];
    "nodejs" -- "php" [label=" 1481 ", penwidth="8", color="#DC143CDB"];
    "php" -- "python" [label=" 1479 ", penwidth="8", color="#DC143CDB"];
    "cpp" -- "php" [label=" 1479 ", penwidth="8", color="#DC143CDB"];

}