CodeSignal [35/60] firstDigit

Problem:

Find the leftmost digit that occurs in a given string.

 

Example

• 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'.

-Summary-

1. isdigit() 함수를 이용하여 char 하나하나 비교후, if we found a 'True' value, then we return the character. (which is digit)

 

사람들이 작성한 답을 보니, Try and Except로 푼 답도 있었다.

for i in s:
	try:
	    x=int(i)
	    return i
	except:
	    continue

 

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