22 lines
676 B
Python
22 lines
676 B
Python
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string = input()
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string_list = []
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cursor = 0
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for char in string:
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# If 'L' found in string, we move the cursor to the left
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if char == 'L':
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if cursor > 0:
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cursor -= 1
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# If 'R' found in string, we move the cursor to the right
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elif char == 'R':
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if cursor < len(string):
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cursor += 1
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# If 'B' found in string, we delete the character to the left of the cursor
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elif char == 'B':
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del string_list[cursor - 1]
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cursor -= 1
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# If any other character found in string, we insert it to the left of the cursor
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else:
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string_list.insert(cursor, char)
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cursor += 1
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# Print only the new string, without the initial one
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print(''.join(string_list))
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