Python Coding challenge - Day 947| What is the output of the following Python Code?

 

Code Explanation:

1. Defining the Function

def f(x, lst=[]):

A function f is defined with two parameters:

x → value to add

lst → a list with default value []

2. Appending to the List

    lst.append(x)

Appends the value x to the list lst.

3. Returning the List

    return lst

Returns the list after appending.

4. First Function Call

print(f(1))

What happens:

lst is the default list [].

1 is appended → [1].

The function returns [1].

Printed output:

[1]

5. Second Function Call

print(f(2))

What happens:

lst is the same list object as before.

2 is appended → [1, 2].

The function returns [1, 2].

Printed output:

[1, 2]

6. Final Output

[1]

[1, 2]

Final Answer

✔ Output:

[1]

[1, 2]

900 Days Python Coding Challenges with Explanation