Two strings of lengths n and n+1 are provided . The first string’s whole,plus one more character is present in the second string. Finding the extra character in the second string is your responsibility.

Two strings of lengths n and n+1 are provided . The first string’s whole,plus one more character is present in the second string. Finding the extra character in the second string is your responsibility.

You have to find the one extra character in the string

Example:

Kxml klxml

Output:

l

Example 2:

abcd cbdad

Output:

d

Code:

	word1, word2 = input().split()
	res1 = ''.join(sorted(word1))
	res2 = ''.join(sorted(word2))
	res1 = list(res1)
	res2 = list(res2)
	for x in res1:
	if x in res2:
	res2.remove(x)
	print(''.join(res2))

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