import numpy as np

%load_ext ipycache

def long_function(a, b):
    import time
    time.sleep(1)
    return a + b

%%cache myvars.pkl a b c
a = 3
b = np.random.randn(3)
c = long_function(a, b)

print(a, b, c)

del a, b, c

%%cache myvars.pkl a b c
a = 3
b = np.random.randn(3)
c = long_function(a, b)

print(a, b, c)

import os
os.remove('myvars.pkl')

%%cache myvars.pkl a b c
a = 3
b = np.random.randn(3)
c = long_function(a, b)

print(a, b, c)

os.remove('myvars.pkl')