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Python List Exercises: Practice for List Manipulation

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Example 1

Python program to find unique numbers in a given list.

 
L1 = [1, 9, 1, 6, 3, 4, 5, 1, 1, 2, 5, 6, 7, 8, 9, 2] L2 = [] for x in L1: if x not in L2: L2.append(x) print (L2)

It will produce the following output −

[1, 9, 6, 3, 4, 5, 2, 7, 8]

Example 2

Python program to find sum of all numbers in a list.

 
L1 = [1, 9, 1, 6, 3, 4] ttl = 0 for x in L1: ttl+=x print ("Sum of all numbers Using loop:", ttl) ttl = sum(L1) print ("Sum of all numbers sum() function:", ttl)

It will produce the following output −

Sum of all numbers Using loop: 24
Sum of all numbers sum() function: 24

Example 3

Python program to create a list of 5 random integers.

 
import random L1 = [] for i in range(5): x = random.randint(0, 100) L1.append(x) print (L1)

It will produce the following output −

[77, 3, 20, 91, 85]

Exercise Programs

  • Python program to remove all odd numbers from a list.

  • Python program to sort a list of strings on the number of alphabets in each word.

  • Python program non-numeric items in a list in a separate list.

  • Python program to create a list of integers representing each character in a string

  • Python program to find numbers common in two lists.

 

 

 

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