https://www.hackerrank.com/x/library/hackerrank/all/questions/348250/try

main.py

#
# Complete the 'countTeams' function below.
#
# The function is expected to return an INTEGER.
# The function accepts following parameters:
#  1. INTEGER_ARRAY skills
#  2. INTEGER k
#  3. INTEGER l
#  4. INTEGER r
#

def countTeams(skills, k, l, r):
    count = 0
    for v in skills:
        if v >= l and v <= r:
            count += 1
    
    if count == 0:
        return 0
    if count == k:
        return 1

    total = 0
    print(list(range(k, count+1)))
    for p in range(k, count+1):
        print(p, count, k)
        print((count/p))
        total += (count//p)
    return int(total)

'''

1, 2, 3, 4, 5
1, 2
1, 3
1, 4
1, 5
2, 3
2, 4
2, 5
3, 4
3, 5
4, 5
= 10


1, 2, 3, 4, 5
1, 2, 3
1, 2, 4
1, 2, 5
1, 3, 4
1, 3, 5
1, 4, 5
2, 3, 4
2, 3, 5
2, 4, 5
3, 4, 5
= 10


1, 2, 3, 4, 5
1, 2, 3, 4
1, 2, 3, 5
1, 2, 4, 5
1, 3, 4, 5
2, 3, 4, 5
= 5

1, 2, 3, 4, 5
= 1

= 26'''