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# itertools.permutations() Hacker Rank Solution – Queslers

You are given a string S.
Your task is to print all possible combinations, up to size k, of the string in lexicographic sorted order.

#### Input Format

A single line containing the string S and integer value k separated by a space.

#### Constraints

• 0 < k < len(S)
• The string contains only UPPERCASE characters.

#### Output Format

Print the different combinations of string S on separate lines.

Sample Input

``HACK 2``

Sample Output

``````A
C
H
K
AC
AH
AK
CH
CK
HK``````

## itertools.permutations() Hacker Rank Solution in Python 2

``````from itertools import permutations

S,k = raw_input().split()
k = int(k)

print '\n'.join(sorted(''.join(p) for p in permutations(S,k)))``````

## itertools.permutations() Hacker Rank Solution in Python 3

``````# Enter your code here. Read input from STDIN. Print output to STDOUT
from itertools import permutations
s,n = input().split()
print(*[''.join(i) for i in permutations(sorted(s),int(n))],sep='\n')``````

## itertools.permutations() Hacker Rank Solution in pypy programming.

``````# Enter your code here. Read input from STDIN. Print output to STDOUT
from itertools import permutations
string_number = raw_input().split()
string = string_number
number = map(int, string_number)

for elem in sorted(list(permutations(string, number))):
n = len(elem)
elem_print = ""
for i in range(0, n):
elem_print+=elem[i]
print elem_print``````

### itertools.permutations() Hacker Rank Solution in pypy3

``````# Enter your code here. Read input from STDIN. Print output to STDOUT
import itertools

ll, n = input().split()

for i in itertools.permutations(sorted(ll),int(n)):
print("".join(i))``````
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