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In the previous post, I explained how to use variables. Now, in this article, I will discuss Python literals.
What Are Python Literals?
Literals are nothing but the right side of the = operator.
That means they are nothing but values which we are going to store in a variable.
blog = 'dev.to'
Here, blog is a variable and dev.to is a literal.
Different Types of Literals
There are different types of literals in Python. Here are some of the commonly used types.
Numeric Literals
Numerical literals are immutable. That means we can't replace the value, but we can only assign different literals.
This deals with 3 types of numerical values.
- Integer Literals
Integer literals are numbers without decimal parts. They also consist of negative and positive numbers, which means they are integers in terms of maths:)
For example, 5, -11, 0, 12, etc.
- Floating-Point Literals
Floating-point literals are numbers that contain decimal parts.
Just like integers, floating-point numbers can also be both positive and negative. For example, 2.5, 6.76, 0.0, -9.45, etc.
- Complex Literals
Complex literals are numbers that represent complex numbers.
Here, numerals are in the form a + bj, where a is real and b is imaginary. For example, 6+9j, 2+3j.
String Literals
So, in the assignment of a string, any text written inside "" will be considered as a string literal. Even text inside '' is also considered a string.
name = "string"
print(name)
name = 'String'
print(name)
string
String
Character Literals
Similar to strings, character literals also contain the same text written inside ''.
name = 's'
print(name)
Boolean Literals
This deals with storing boolean values, i.e., True and False.
Status = True
print(Status)
Special Literals
result = None
print(result)
We use it to assign null variables.
Collection Literals
This is storing literals in a collection.
# list literal
bike = ["BMW", "Kawasaki", "R15"]
print(bike)
# tuple literal
numbers = (1, 2, 3)
print(numbers)
# dictionary literal
alphabets = {'a':'apple', 'b':'ball', 'c':'cat'}
print(alphabets)
# set literal
vowels = {'a', 'e', 'i', 'o', 'u'}
print(vowels)
Wrapping Up
Understand the meaning of literals and their use cases. Now, next, we can understand type conversion.
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LiveReview: Blast-Radius Aware AI Code Review for Business-Critical Systems
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