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Python Dictionary update() Method with Example

Python Dictionary update() Method: Here, we are going to learn how to insert items to the dictionary?
Submitted by IncludeHelp, on November 26, 2019

Dictionary update() Method

update() method is used to update the dictionary by inserting new items to the dictionary.

Syntax:

    dictionary_name.setdefault(iterable)

Parameter(s):

  • iterable – It represents an iterbale object or a dictionary to be inserted in the dictionary.

Return value:

It returning nothing.

Example:

# Python Dictionary update() Method with Example

# dictionary declaration
student = {
  "roll_no": 101,
  "name": "Shivang",
  "course": "B.Tech",
  "perc" : 98.5
}

# printing dictionary
print("data of student dictionary...")
print(student)

# inserting an item
student.update({'city' : 'Indore'})

# printing dictionary after update()
print("data of student dictionary after update()...")
print(student)

# inserting multiple items
student.update({'city' : 'Indore', 'address' : 'Tech park'})

# printing dictionary after update()
print("data of student dictionary after update()...")
print(student)

Output

data of student dictionary...
{'roll_no': 101, 'name': 'Shivang', 'course': 'B.Tech', 'perc': 98.5}
data of student dictionary after update()...
{'roll_no': 101, 'name': 'Shivang', 'course': 'B.Tech', 'perc': 98.5, 'city': 'Indore'}
data of student dictionary after update()...
{'roll_no': 101, 'name': 'Shivang', 'course': 'B.Tech', 'perc': 98.5, 'city': 'Indore', 'address': 'Tech park'}






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