import numpy as np

n = 100000

sample_space = np.linspace(100, 999, 900)

rett_kode = 0

kode = np.random.choice(sample_space) 

for k in range(0, n):
    test = np.random.choice(sample_space, 50, False)  
    for t in test:
        if ( t == kode):
            rett_kode = rett_kode + 1
            break

print('Kode oppnaaes med en hyppighet:',
      f'{rett_kode/n :.4f}')