a = [{"1":"1","2":"2"},{"1":"1","2":"2"}]
c = {"1":"1","2":"2"}

for i in a:
    print(i)
    i["a"]=i.pop("1")
    i["b"]=i.pop("2")
print(a)
# e = 0
# for i in b:
#     c[i]=c.pop(d[e])
#     e = e+1
# print(c)