Question

How to find the median (middle) value of a list in Python

Answer 1

import statistics

lst1 = [1, 7, 12, 8, 9]  
 
# median sort the list 
print(statistics.median(lst1))

lst2 = [1, 7, 8, 9, 12]     
print(statistics.median(lst2))




'''
run:

8 
8
 
'''

 

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Answer 2

import statistics

lst1 = [1, 7, 12, 5, 8, 9] 

# median sort the list 
# on even number of values it averages the two middle items
print(statistics.median(lst1))

lst2 = [1, 5, 7, 8, 9, 12]     
print(statistics.median(lst2))




'''
run:

7.5
7.5
 
'''

 

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Answer 3

import numpy as np
 
lst = [1, 7, 12, 5, 8, 9] 
 
print(np.percentile(lst, 50))



'''
run:
 
7.5
  
'''

 

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Answer 4

def median(lst):
    half = len(lst) // 2
    lst.sort()
    if not len(lst) % 2:
        return (lst[half - 1] + lst[half]) / 2.0
    return lst[half]
    
 
lst = [1, 7, 12, 5, 8, 9] 
 
print(median(lst))



 
'''
run:
  
7.5
   
'''

 

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