Python Dictionary keys 1

Python Dictionary keys function

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Python keys Dictionary function is used to return the list of available keys in a dictionary (total keys). In this section, we discuss how to use this Dictionary keys function. The syntax behind this Dictionary keys function is:

dictionary_name.keys()

Python Dictionary keys Example

The dictionary key function returns the list of keys available in a given dictionary. The below dictionary code print the keys in amp, and empl.

TIP: Please refer to the Dictionary to understand Python Dictionaries.

# Python Dictionary keys Example

emp = {'name': 'Kevin', 'age': 25 , 'job': 'HR', 'Sal': 725000}
print("Dictionary: ", emp)

# Print Keys
print("\nDictionary Keys: ", emp.keys())

# Creating an Empty Dictionary
empl = {}
print("Dictionary: ", empl)

# Print Keys
print("\nDictionary Keys: ", empl.keys())
Python Dictionary keys 1

keys in a Dictionary Example 2

In this program, we are going to insert a new value into the dictionary and print keys. Next, we updated a value and displayed the dictionary keys.

# Python Dictionary keys Example

emp = {'name': 'Kevin', 'age': 25 , 'job': 'HR'}
print("Dictionary: ", emp)

# Print Keys
print("\nDictionary Keys: ", emp.keys())

# Print Keys
emp['age'] = 27
print("\nDictionary Keys: ", emp.keys())

# Print Keys
emp['Sal'] = 725000
print("\nDictionary Keys: ", emp.keys())

Dictionary keys function output

Dictionary:  {'name': 'Kevin', 'age': 25, 'job': 'HR'}

Dictionary Keys:  dict_keys(['name', 'age', 'job'])

Dictionary Keys:  dict_keys(['name', 'age', 'job'])

Dictionary Keys:  dict_keys(['name', 'age', 'job', 'Sal'])