Which types of data a dictionary can store?
Variables can hold values of different data types. Python is a dynamically typed language hence we need not define the type of the variable while declaring it. The interpreter implicitly binds the value with its type.
Types of data – numbers, strings, list, dictionary
How to check the types of variables in Python?
Python enables us to check the type of variable used in the program. Python provides us the type() function which returns the type of the variable passed.Dictionary Type
user = {}
print(type(user))Output:<class 'dict'>
Output:
C:\Users\Pramod\PycharmProjects\pythonProject\venv\Scripts\python.exe C:/Users/Pramod/PycharmProjects/pythonProject/main.py
<class 'dict'>
Process finished with exit code 0
Tuple Type
user = ()
print(type(user))
Output:
C:\Users\Pramod\PycharmProjects\pythonProject\venv\Scripts\python.exe C:/Users/Pramod/PycharmProjects/pythonProject/main.py
<class 'tuple'>
Process finished with exit code 0
Integer Types
user = 10
print(type(user))
Output:
C:\Users\Pramod\PycharmProjects\pythonProject\venv\Scripts\python.exe C:/Users/Pramod/PycharmProjects/pythonProject/main.py
<class 'int'>
Process finished with exit code 0
Types of String
user = 'Pramod Kumar Yadav'
print(type(user))
Output:
C:\Users\Pramod\PycharmProjects\pythonProject\venv\Scripts\python.exe C:/Users/Pramod/PycharmProjects/pythonProject/main.py
<class 'str'>
Process finished with exit code 0
Boolean Type
user = True
print(type(user))
Output:
C:\Users\Pramod\PycharmProjects\pythonProject\venv\Scripts\python.exe C:/Users/Pramod/PycharmProjects/pythonProject/main.py
<class 'bool'>
Process finished with exit code 0
Same ways you can check different data types in python easily.
How to add data into an empty dictionary?
To add data in an empty dictionary first we have to create an empty dictionary.
Example:
# create an empty dictionary
user1 = {}
#add key and value into an empty dictionay
user1['name'] = 'Pramod'
user1['age'] = 24
user1['Roll no'] = '17691a05b9'
user1['Class'] = 'B-Tech'
#print the value after added the data to an empty dict
print(user1)
Output:
C:\Users\Pramod\PycharmProjects\pythonProject\venv\Scripts\python.exe C:/Users/Pramod/PycharmProjects/pythonProject/main.py
{'name': 'Pramod', 'age': 24, 'Roll no': '17691a05b9', 'Class': 'B-Tech'}
Process finished with exit code 0
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