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Python Dictionary clear() Method (with Examples)

By IncludeHelp Last updated : December 21, 2024

In this tutorial, we will learn about the clear() method of a dictionary with its usage, syntax, parameters, return type, and examples.

Python Dictionary clear() Method

The clear() is an inbuilt method of dict class that is used to clear the dictionary i.e., to remove all elements of the dictionary. The method is called with this dictionary and returns none.

Syntax

The following is the syntax of clear() method:

dictionary_name.clear()

Parameter(s):

The following are the parameter(s):

• None

Return Value

The return type of this method is <class 'NoneType'>, it returns nothing.

Example 1: Use of Dictionary clear() Method

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

# printing dictionary
print("data before clearing...")
print(student)

# clearing dictionary
student.clear()

# printing dictionary after clear()
print("data after clearing...")
print(student)

Output

data before clearing...
{'course': 'B.Tech', 'roll_no': 101, 'per': 98.5, 'name': 'Shivang'}
data after clearing...
{}

Example 2: Use of Dictionary clear() Method

# dictionary declaration
data = {"a": 1, "c": 3, "b": 5, "d": 4}

# printing dictionary
print("Before clearing...")
print(data)

# clearing dictionary
data.clear()

# printing dictionary after clear()
print("After clearing...")
print(data)

Output

Before clearing...
{'a': 1, 'c': 3, 'b': 5, 'd': 4}
After clearing...
{}