问Python列表循环，根据逗号后的编号打印卫星名称

EN

user_input = "LANDSAT8,5,MODIS,3,SENTINAL2,6"

tokens = user_input.split(',')

for s, d in zip(tokens[::2], map(int, tokens[1::2])):
    for i in range(d):
        print(f'{s} image {i+1} downloaded')

LANDSAT8 image 1 downloaded
LANDSAT8 image 2 downloaded
LANDSAT8 image 3 downloaded
LANDSAT8 image 4 downloaded
LANDSAT8 image 5 downloaded
MODIS image 1 downloaded
MODIS image 2 downloaded
MODIS image 3 downloaded
SENTINAL2 image 1 downloaded
SENTINAL2 image 2 downloaded
SENTINAL2 image 3 downloaded
SENTINAL2 image 4 downloaded
SENTINAL2 image 5 downloaded
SENTINAL2 image 6 downloaded

UserInput="LANDSAT8,5,MODIS,3,SENTINAL2,6"
numbers=[]
names=[]
for keyword in UserInput.split(","):
    if keyword.isdigit():
        numbers.append(keyword)
    else:
        names.append(keyword)

for i in range(len(names)):
    temp=numbers[i]
    for j in range(int(temp)):
        print(names[i],"image "+str(j)+" downloaded",end=" ")

def pairwise(iterable):
    "s -> (s0, s1), (s2, s3), (s4, s5), ..."
    a = iter(iterable)
    return zip(a, a)

user_input = input("enter satelites: ")

splitted = user_input.split(',')

output = []
for x, y in pairwise(splitted):
    output.append(f"{x} image {y} downloaded");

for x in output: # Do your downloading stuff 
    print(x)