用python进行ID转换（第八题）

准备一个注释文件，格式如下：

Gene ID Associated Gene Name    EntrezGene ID
ENSG00000252303 RNU6-280P   
ENSG00000281771 Y_RNA   
ENSG00000281256 RP11-222G7.2    
ENSG00000283272 Clostridiales-1 
ENSG00000280864 RP11-654C22.2   
ENSG00000280792 RP11-315F22.1   
ENSG00000282878 RP11-399E6.1    
ENSG00000283276 ABBA01000934.1  
ENSG00000281822 RNU1-62P    
ENSG00000281384 AC093802.1  
ENSG00000280505 RP11-654C22.1   
ENSG00000281764 RP11-399E6.2    

idD = {}
for line in open("data/GRCh38.idmap"):
    lineL = line.strip().split("\t")
    ensm_id = lineL[0]
    symbol  = lineL[1]
    idD[ensm_id] = symbol
#--------------------------------
for line in open("data/ensm.id"):
    ensm = line.strip()
    print(ensm,idD[ensm],sep=": ")