Python: Shuffle the elements of a given list
Python module: Exercise-6 with Solution
Write a Python program to shuffle the elements of a given list.
Use random.shuffle()
Sample Solution:
Python Code:
import random
nums = [1, 2, 3, 4, 5]
print("Original list:")
print(nums)
random.shuffle(nums)
print("Shuffle list:")
print(nums)
words = ['red', 'black', 'green', 'blue']
print("\nOriginal list:")
print(words)
random.shuffle(words)
print("Shuffle list:")
print(words)
Sample Output:
Original list: [1, 2, 3, 4, 5] Shuffle list: [4, 2, 1, 5, 3] Original list: ['red', 'black', 'green', 'blue'] Shuffle list: ['green', 'blue', 'black', 'red']
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Python: Tips of the Day
Inverts a dictionary with non-unique hashable values:
Example:
def tips_collect_dictionary(obj): inv_obj = {} for key, value in obj.items(): inv_obj.setdefault(value, list()).append(key) return inv_obj ages = { "Owen": 25, "Jhon": 25, "Pepe": 15, } print(tips_collect_dictionary(ages))
Output:
{25: ['Owen', 'Jhon'], 15: ['Pepe']}
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