python复制txt内容到另一个txt

@_@复制a.txt内容到另一个b.txt

#-*- coding:UTF-8 -*-
            
if __name__=="__main__":
    
    fp = open("a.txt","r")
    for line in fp:
        fq = open("b.txt","a")#这里用追加模式
        fq.write(line)
    fp.close()
    fq.close()