a={
"A":"Anish",
"B":15,
"N":"Sri",
"D":14
}
a.pop("A")
del a["D"]
print(type(a))
print(a)
print(a)
YT17CiAgICJBIjoiQW5pc2giLAogICAiQiI6MTUsCiAgICJOIjoiU3JpIiwKICAgIkQiOjE0CiAgIH0KYS5wb3AoIkEiKQpkZWwgYVsiRCJdCnByaW50KHR5cGUoYSkpCnByaW50KGEpCnByaW50KGEp