Python

items() method in dictionary

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items() method in dictionary - Python

This method is used to print all items(key-value pair) of the dictionary.

The .items() method doesn’t take any argument and it returns the view object that contains the list of tuple and each tuple contains key-value pair.

The time complexity of this method is O(n) where n is the number of items in the dictionary.

When we call this method with empty dictionary then it doesn’t give any error.

Syntax –

dictionary.items()

Parameters –

return – returns view object that contains a list of tuples, tuple consist of key-value pair

Example –

				
					dct={'even':[2,4,6,8,10],'odd':[1,3,5,7,9]}
items=dct.items()
print(items)

# Output -
# dict_items([('even', [2, 4, 6, 8, 10]), ('odd', [1, 3, 5, 7, 9])])

In the above example, first we create a dictionary with some items and store it in dct variable

After creating dictionary call the .items() method with dictionary and find all items of the dictionary store the result in items variable.

Finally, print the items on the output screen.

Example – with empty dictionary

				
					my_dict={}
items=my_dict.items()
print("Items:",items)

# Output -
# Items: dict_items([])

Example –

				
					my_dict={'1':'amit',2:'abhay',3:'aditya',4:'aman'}
items=my_dict.items()

for i , j in items:
	print(i,' ',j)

# Output -
# 1   amit
# 2   abhay
# 3   aditya
# 4   aman

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