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Programs often need to quickly take the beginning of a text, such as a short prefix, the first letters of a name, or part of a code. Write a function first_two that takes a string s and returns its first two characters. If the string has fewer than two characters, return the whole string.
Примеры
Ввод
"Hello"Вывод
"He"Ввод
"abcdefg"Вывод
"ab"Ввод
"ab"Вывод
"ab"Нужно реализовать
def first_two(s: str) -> str:
Теги
strings
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1
Input
"Hello"Expected
"He"2
Input
"abcdefg"Expected
"ab"3
Input
"ab"Expected
"ab"4
Input
"a"Expected
"a"5
Input
""Expected
""6
Input
"abc"Expected
"ab"Focus radio
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