Anagrams

def main() :
    n = int(input())
    arr = [] 
    for _ in range(n) :
        arr.append(input())
    
    check = {}
    for i in range(len(arr)) :
        sorted_string = "".join(sorted(arr[i]))
        if sorted_string in check.keys(): 
            (pos) = check[sorted_string]
            pos.append(i)
            check[sorted_string] = pos
        else :
            check[sorted_string] = [i]
    anagrams_count = 0
    for i in check :
        if len(check[i]) > 1 :
            anagrams_count += 1
    print(anagrams_count)
    for i in check : 
        if len(check[i]) > 1 :
            print(len(check[i]))
            for j in check[i]:
                print(arr[j])


if __name__ == "__main__":
    main()

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED