Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "The mode function was not implemented in the numpy package.". Any command-line input or output is written as follows:

>>> import numpy as np 
>>> from scipy import stats 
>>> data = np.array([4,5,1,2,7,2,6,9,3]) 
# Calculate Mean 
>>> dt_mean = np.mean(data) ; 
print ("Mean :",round(dt_mean,2)) 

New terms and important words are shown in bold.