Python-Code

test_data = [
    [[1, 3], [2]],
    [[2, 4], [1, 3]],
    [[0, 0], [0, 0]],
    [[], [4]],
    [[3], []],
    [[], []],
    [[-4, 4], [-2, 1]]    
]

def median(list_of_arrays):
    combined_array = []
    print('arrays = ', end='')
    for array in list_of_arrays:
        print(f'{array} ', end='')
        combined_array += array
    combined_array.sort()
    print(f'\nmerged sorted array = {combined_array}')
    if not combined_array:
        median = 0
    elif len(combined_array) == 1:
        median = combined_array[0]
    elif len(combined_array) % 2 == 1:
        median = combined_array[len(combined_array) // 2]
    else:
        median = (combined_array[len(combined_array) // 2 - 1] + combined_array[len(combined_array) // 2]) / 2
    print(f'median = {median}\n')
    
for array in test_data:
    median(array)

Python-Code

from math import *
from statistics import*

# Funktionen 


def eingabe(l):
    
    merged_l = []
    if type(l[0]) is list:
        for i in range(len(l)):
            merged_l.extend(l[i])
        return merged_l
    else:
        return l
    

def median_kompliziert(a):
    
    a.sort()
    if (len(a) % 2) != 0:
        med = a[floor(len(a) / 2)]
    else:
        med = (a[int(len(a) / 2)] + a[int((len(a) / 2) - 1)]) / 2
    return med


def median_einfach(a):
    
    return median(a)


# Testdaten

arr1 = [5, 99, 1, 3, 4, 7, 123]
arr2 = [2, 8, 5, 68]
arr3 = [3, 4, 5, 6, 7, 785, 23423]
arr4 = [99999, 845, 525, -987]

# Aufruf der Funktionen zur Kontrolle

x = eingabe(arr1)
y = eingabe([arr1, arr2])
z = eingabe([arr1, arr2, arr3, arr4])

print(x, median_kompliziert(x), median_einfach(x))
print(y, median_kompliziert(y), median_einfach(y))
print(z, median_kompliziert(z), median_einfach(z))

Python-Code

arr1 = [1, 2, 3]
arr2 = [4, 5, 6]


def median():
    master_arr = arr1 + arr2
    master_arr.sort()

    if master_arr == []:
        print('Der Meridian ist: 0')
    else:
        laenge = len(master_arr)
        gerade_ungerade = laenge/2
        gerade_ungerade = str(gerade_ungerade).find('.5')

        if gerade_ungerade == -1:
            meridian2 = laenge // 2
            meridian1 = meridian2 - 1
            ergebnis = (master_arr[meridian1] + master_arr[meridian2]) / 2
            print('Der Meridian ist:', ergebnis)
        else:
            ergebnis = master_arr[int(laenge/2 - 0.5)]
            print('Der Meridian ist:', ergebnis)

median()

Python-Code

"""
#304: Median zweier zusammengefügter Arrays
Es soll der Median (Zentralwert) eines sortierten Arrays, das aus zwei (beliebig großen)
zusammengefügten sortierten Arrays besteht, ermittelt werden.
"""
import statistics
import numpy as np


def medi(item):
    if not item:
        item.append(0)
    print(np.sort(item), "Median:", statistics.median(item))


def main():
    medi([1, 3] + [2])
    medi([2, 4] + [1, 3])
    medi([0] + [0])
    medi([] + [4])
    medi([3] + [])
    medi([] + [])
    medi([-4, 4] + [-2, 1])


if __name__ == '__main__':
    main()