data={
const data=[]
Object.keys(json).map(d=>{
if (json[d]['colophon']!== undefined){
var arr = json[d]['colophon']['persons']['real']
Object.keys(arr).map(i=>{
const obj = {}
var number = d.match(/\d/g).join("")
obj.person = i
obj.issue = number
data.push(obj)
})
}
})
return data
}