import re key = r"mat cat hat pat" p1 = r"[^c|p]at" pattern1 = re.compile(p1) print pattern1.findall(key)
import re key = r"mat cat hat pat" p1 = r"[^c|p]at" pattern1 = re.compile(p1) print pattern1.findall(key) SyntaxError: Missing parentheses in call to 'print'. Did you mean print(...)?很明显在print后面没有括号会报错 如果有括号那答案就是A