a = input("Enter a number") print(a*5) #if the input is 5

Zunga has N chocolate bars.He has to arrange them on the table in rows and columns. Print all possible ways he can arrange them

Given a string s consisting of small english letters, find and return the first instance of a non repeating character in it. If there is no such repeating character, return '-'.

Input

aaabcccdeeef

Output

b

Try the question attached below.

Question attachment