1.原始数据：

原始数据链接：

http://current.geneontology.org/ontology/go-basic.obo

原始数据样式：

2.目标格式：

3.代码：

with open("go-basic.obo","r") as file:
    lib={}
    for line in file:
        line=line.strip()
        col_name=line.split(":")[0]
        if col_name == "id":
            id=line.split(" ",maxsplit=1)[1]
            lib[id]=""
        if col_name == "name":
            name=line.split(" ",maxsplit=1)[1]
            lib[id]=lib[id]+"@"+name
        if col_name == "namespace":
            namespace=line.split(" ",maxsplit=1)[1]
            lib[id]=lib[id]+"@"+namespace
out=open("GO_basic_Description.txt","a+")
out.write("Class"+"\t"+"GO_IDs"+"\t"+"Description"+"\n")
for key in lib.keys():
    go_id=key
    go_name=lib[key].split("@")[1]
    go_namespace=lib[key].split("@")[2]
    if go_namespace == "molecular_function":
        go_namespace="MF"
        out.write(go_namespace+"\t"+go_id+"\t"+go_name+"\n")
    if go_namespace == "biological_process":
        go_namespace="BP"
        out.write(go_namespace+"\t"+go_id+"\t"+go_name+"\n")
    if go_namespace == "cellular_component":
        go_namespace="CC"
        out.write(go_namespace+"\t"+go_id+"\t"+go_name+"\n")