<div style="color: #d4d4d4; background-color: #1e1e1e; font-family: Consolas, 'Courier New', monospace; font-size: 14px; line-height: 19px; white-space: pre;">
<div><span style="color: #c586c0;">while</span>&nbsp;customer_no&nbsp;&lt;&nbsp;<span style="color: #b5cea8;">51</span>:</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;spent_time&nbsp;=&nbsp;randint(<span style="color: #b5cea8;">5</span>,&nbsp;<span style="color: #b5cea8;">50</span>)</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #c586c0;">if</span>&nbsp;spent_time&nbsp;&lt;&nbsp;<span style="color: #b5cea8;">16</span>:</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #dcdcaa;">print</span>&nbsp;(<span style="color: #ce9178;">"[O]&nbsp;</span><span style="color: #569cd6;">{0}</span><span style="color: #ce9178;">번째&nbsp;손님&nbsp;(소요시간&nbsp;:&nbsp;</span><span style="color: #569cd6;">{1}</span><span style="color: #ce9178;">분)"</span>.format(customer_no,&nbsp;spent_time))</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;total_customer&nbsp;+=&nbsp;<span style="color: #b5cea8;">1</span></div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;customer_no&nbsp;+=&nbsp;<span style="color: #b5cea8;">1</span></div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #c586c0;">else</span>:</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #dcdcaa;">print</span>&nbsp;(<span style="color: #ce9178;">"[&nbsp;]&nbsp;</span><span style="color: #569cd6;">{0}</span><span style="color: #ce9178;">번째&nbsp;손님&nbsp;(소요시간&nbsp;:&nbsp;</span><span style="color: #569cd6;">{1}</span><span style="color: #ce9178;">분)"</span>.format(customer_no,&nbsp;spent_time))</div>
<div>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;customer_no&nbsp;+=&nbsp;<span style="color: #b5cea8;">1</span></div>
<div><span style="color: #dcdcaa;">print</span>&nbsp;(<span style="color: #ce9178;">"총&nbsp;탑승&nbsp;승객&nbsp;:&nbsp;</span><span style="color: #569cd6;">{0}</span><span style="color: #ce9178;">&nbsp;분"</span>.format(total_customer))</div>
</div>
<p>왜 이러는 걸까요?</p>

<p>답변이 늦어 죄송합니다.</p>
<p>선언되지 않은 변수를 사용하셔서 그렇습니다.</p>
<p>소스코드 맨 위에 아래 3줄을 넣어주시면 될거에요</p>
<p></p>
<div style="color: #d4d4d4; background-color: #1e1e1e; font-family: Consolas, 'Courier New', monospace; font-size: 25px; line-height: 34px; white-space: pre;">
<div><span style="color: #c586c0;">from</span>&nbsp;random&nbsp;<span style="color: #c586c0;">import</span>&nbsp;*</div>
<div>customer_no&nbsp;=&nbsp;<span style="color: #b5cea8;">1</span></div>
<div>total_customer&nbsp;=&nbsp;<span style="color: #b5cea8;">0</span></div>
</div>

<p>답변 감사합니다! 헌데 for문이나 함수에서는 변수를 따로 선언 하지 않고 바로 생성해도 문제가 없었던 것 같았는데 while문만 그런건가요? for문이랑 함수에서는 지역변수의 형태로 허용되는 건가요?</p>

인프런 커뮤니티 질문&답변

주먹구구식으로 코드를 짰는데 에러가 발생합니다.