Examining Runtime

# %timeit

import numpy as np

# single line of code

%timeit random_nums = np.random.rand(1000) #returns statistics on the run time

# Set the number of runs to 2 (-r2)
# Set the number of loops to 10 (-n10)

%timeit -r2 -n10 random_muns_2=np.random.rand(1000)

# multiple lines of code (%%)

%%timeit

nums=[]

for i in range(10):
    nums.append(i)