Print a dictionary line by line

Print a dictionary line by line.

students = {
  'Aex': {'class': 'V', 'rolld_id': 2},
  'Puja':{'class': 'V', 'roll_id': 3},
  }

for a in students:
    print(a)
    for b in students[a]:
        print (b, ':', students[a][b])

Output:

Aex
class : V
rolld_id : 2
Puja
class : V
roll_id : 3

See also

https://www.w3resource.com/python-exercises/dictionary/python-data-type-dictionary-exercise-32.php