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Python: Get an absolute file path

Python Basic: Exercise-63 with Solution

Write a Python program to get an absolute file path.

Sample Solution-1:

Python Code:

def absolute_file_path(path_fname):
        import os
        return os.path.abspath('path_fname')        
print("Absolute file path: ",absolute_file_path("test.txt"))

Sample Output:

Absolute file path:  /home/students/path_fname 

Flowchart:

Flowchart: Get an absolute file path.

Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:


Sample Solution-2:

Python Code:

from pathlib import Path
p = Path("main.py").resolve()
print(p)

Sample Output:

/tmp/sessions/9f576d81597fd882/main.py

Python Code Editor:

 

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Python: Tips of the Day

Decompose a collection:

Assume we have a function that returns a tuple of two values and we want to assign each value to a separate variable. One way is to use indexing as below:

abc = (5, 10)
x = abc[0]
y = abc[1]
print(x, y)

Output:

5 10

There is a better option that allows us to do the same operation in one line.

x, y = abc
print(x, y)

Output:

5 10

It can be extended to a tuple with more than 2 values or some other data structures such as lists or sets.

x, y, z = {1, 2, 3}
print(x, y, z)
x, y, z = ['a', 'b', 'c']
print(x, y, z)

Output:

1 2 3
a b c