2851: 合法C标识符
摘要：参考代码:s = input()
for i in s:
if s[0].isdigit():
print('no')
quit()
……
2851: 合法C标识符
摘要：解题思路:注意事项:参考代码:s = input()s = s.replace("_",'a')if s[0].isdigit(): print("no")elif not s.……