In [1]:

    

from itertools import zip_longest


    

In [2]:

    

names = ['Alice', 'Bob', 'Charlie', 'Dave']
ages = [24, 50, 18]


    

In [3]:

    

for name, age in zip_longest(names, ages):
    print(name, age)


    

    




Alice 24
Bob 50
Charlie 18
Dave None

In [4]:

    

for name, age in zip_longest(names, ages, fillvalue=20):
    print(name, age)


    

    




Alice 24
Bob 50
Charlie 18
Dave 20

In [5]:

    

points = [100, 85]


    

In [6]:

    

for name, age, point in zip_longest(names, ages, points, fillvalue=20):
    print(name, age, point)


    

    




Alice 24 100
Bob 50 85
Charlie 18 20
Dave 20 20

In [7]:

    

fill_name = 'XXX'
fill_age = 20
fill_point = 50

len_names = len(names)
len_ages = len(ages)
len_points = len(points)

max_len = max(len_names, len_ages, len_points)

names = names + [fill_name] * (max_len - len_names)
ages = ages + [fill_age] * (max_len - len_ages)
points = points + [fill_point] * (max_len - len_points)


    

In [8]:

    

print(names)
print(ages)
print(points)


    

    




['Alice', 'Bob', 'Charlie', 'Dave']
[24, 50, 18, 20]
[100, 85, 50, 50]

In [9]:

    

for name, age, point in zip(names, ages, points):
    print(name, age, point)


    

    




Alice 24 100
Bob 50 85
Charlie 18 50
Dave 20 50

In [10]:

    

def my_zip_longest(iterables, fillvalues):
    max_len = max(len(i) for i in iterables)
    return zip(*[list(i) + [v] * (max_len - len(i)) for i, v in zip(iterables, fillvalues)])


    

In [11]:

    

for name, age, point in my_zip_longest((names, ages, points), ('XXX', 20, 50)):
    print(name, age, point)


    

    




Alice 24 100
Bob 50 85
Charlie 18 50
Dave 20 50