shuffle data in python code example

Example 1: shuffle dataframe python

df = df.sample(frac=1).reset_index(drop=True)

Example 2: shuffle list

import random

number_list = [7, 14, 21, 28, 35, 42, 49, 56, 63, 70]
print("Original list:", number_list)

random.shuffle(number_list)
print("List after first shuffle:", number_list)

random.shuffle(number_list)
print("List after second shuffle:", number_list)

Example 3: randomly shuffle array python

import random
l = list(range(5))
print(l)
# [0, 1, 2, 3, 4]

lr = random.sample(l, len(l))
print(lr)
# [3, 2, 4, 1, 0]

print(l)
# [0, 1, 2, 3, 4]