I don't like Repetition @ Dcoder

Problem: The problem is simple, you are given a word. You need to remove the repeating characters.
Input: Input contains a word w.
Output: Print the output according to the problem explained.
Constraints: 1≤w length≤100
Sample Input: AaabBbbc
Sample Output:
AabBc

a = []
for c in input():
  if c not in a:
    a.append(c)
print(''.join(a))
```