np.random in python code example

Example 1: np.random.rand()

# train test split
df = pd.read_csv('file_location')
mask = np.random.rand(len(df)) < 0.8
train  = df[mask]
test = df[~mask]

Example 2: numpy random in python

import numpy as np  
a=np.random.rand(5,2)  
print(a)