nested dictionaries

Accessing Mixed dictionaries

students = {1: {'name': 'Ravi', 'age': '27', 'sex': 'Male'},

          2: {'name': 'Sita', 'age': '22', 'sex': 'Female'}}

print(students[1]['name'])

print(students[1]['age'])

print(students[1]['sex'])

 How to change or add elements in a nested dictionary?

students = {1: {'name': 'Ravi', 'age': '27', 'sex': 'Male'},

          2: {'name': 'Sita', 'age': '22', 'sex': 'Female'}}

students [3] = {}

students [3]['name'] = 'ram'

students [3]['age'] = '24'

students [3]['sex'] = 'Female'

students [3]['married'] = 'No'

print(students [3])

How to delete elements from a nested dictionary?

students = {1: {'name': 'ravi', 'age': '27', 'sex': 'Male'},

          2: {'name': 'sita', 'age': '22', 'sex': 'Female'},

          3: {'name': 'ram', 'age': '24', 'sex': 'Male', 'married': 'No'},

          4: {'name': 'krishna', 'age': '29', 'sex': 'Male', 'married': 'Yes'}}

del student[3]['married']

del student[4]['married']

print(student[3])

print(student[4])

How to iterate through a Nested dictionary?

students = {1: {'Name': 'Ravi', 'Age': '27', 'Sex': 'Male'},

          2: {'Name': 'Sita', 'Age': '22', 'Sex': 'Female'}}

for p_id, p_info in students.items():

    print("\nStudents ID:", p_id)

   

    for key in p_info:

        print(key + ':', p_info[key])

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