w3resource

Python Exercise: Unique elements from a list

Python Functions: Exercise-8 with Solution

Write a Python function that takes a list and returns a new list with unique elements of the first list.

Sample Solution:-

Python Code:

def unique_list(l):
  x = []
  for a in l:
    if a not in x:
      x.append(a)
  return x

print(unique_list([1,2,3,3,3,3,4,5]))

Sample Output: 

[1, 2, 3, 4, 5]

Pictorial presentation:

Python exercises: Unique elements from a list.

Flowchart:

Flowchart: Python exercises: Unique elements from a list.

Visualize Python code execution:

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

Python Code Editor:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a Python function that accepts a string and calculate the number of upper case letters and lower case letters.
Next: Write a Python function that takes a number as a parameter and check the number is prime or not.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Python: Tips of the Day

Decapitalizes the first letter of a string:

Example:

def tips_decapitalize(s, upper_rest=False):
  return s[:1].lower() + (s[1:].upper() if upper_rest else s[1:])
print(tips_decapitalize('PythonTips'))
print(tips_decapitalize('PythonTips', True))

Output:

pythonTips
pYTHONTIPS