Find the leftmost digit that occurs in a given string.
- For
inputString = "var_1__Int"
, the output should be
firstDigit(inputString) = '1'
; - For
inputString = "q2q-q"
, the output should be
firstDigit(inputString) = '2'
; - For
inputString = "0ss"
, the output should be
firstDigit(inputString) = '0'
.
-
[time limit] 4000ms (py3)
-
[input] string inputString
A string containing at least one digit.
Guaranteed constraints:
3 ≤ inputString.length ≤ 10.
-
[output] char