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HomeBackend DevelopmentPython TutorialIn Python, what is the difference between parameters and arguments?

In Python, what is the difference between parameters and arguments?

The concept of arguments and arguments is part of functions in Python. So, before continuing, let's learn how to create a function and functions with parameters.

A function is an organized, reusable piece of code that performs a single, related operation. Functions provide your application with better modularity and a high degree of code reusability.

Create a function

The Chinese translation of

Example

is:

Example

Let’s create a basic function −

# Define a function
def sample():
   print("Inside a Function")

# Function call
sample()

Output

Inside a Function

Create a function with parameters

Here, we are creating a function with parameters −

# Creating a Parameterised Function
def sample(str):
   print("Car = ", str)

# Function calls
sample("Tesla")
sample("Audi")
sample("BMW")
sample("Toyota")

Output

('Car = ', 'Tesla')
('Car = ', 'Audi')
('Car = ', 'BMW')
('Car = ', 'Toyota')

parameter

Parameters are defined by their names as they appear in the function definition. Parameters define the types of arguments a function can accept. So, based on the above example of a function with parameters, the following is one parameter, which is str −

# Function Definition
def sample(str):

parameter

Parameters are the values ​​actually passed to the function when it is called. So, based on the above example of a function with parameters, the following are the parameters, namely Tesla, Audi, BMW and Toyota−

# Function calls
sample("Tesla")
sample("Audi")
sample("BMW")
sample("Toyota")
The Chinese translation of

Example

is:

Example

Let’s see an example -

# Function Definition
def sample(name, rank):
   print("Employee Name = ",name)
   print("Employee Rank = ",rank)

# Function call
sample(rank = 3,name = "Tim")

Output

Employee Name = Tim
Employee Rank = 3

Above, name and rank are parameters of the sample() function.

The

3 and Tim parameters of the sample() function.

Let's look at another example where we have **kwargs and a parameter −

def func(foo, bar=None, **kwargs):
   pass

Output

func(10, bar=20, extra=somevar)

Above, foo, bar, and kwargs are the parameters of func().

the values ​​10, 20, and somevar are arguments of the func().

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