employee={"id":1000,"name":"John","designation":"developer","salary":35000}
# print(employee["name"])
# print(employee["designation"])
# print(employee["salary"])
for k,v in employee.items():
    print(k,v)
# if "gender" in employee:
#     print("key exist")
# else:
#     employee["gender"]="male"
#     print(employee)