Student Attendance Record I Python Solution

lcpy gen -n 551   # by problem number
lcpy gen -s student_attendance_record_i   # by problem name

Input: s = "PPALLP"
Output: true
Explanation: The student has fewer than 2 absences and was never late 3 or more consecutive days.

Input: s = "PPALLL"
Output: false
Explanation: The student was late 3 consecutive days in the last 3 days, so is not eligible for the award.

class Solution:
    # Time: O(n)
    # Space: O(1)
    def check_record(self, s: str) -> bool:
        absent = 0
        late_run = 0
        for c in s:
            if c == "A":
                absent += 1
                if absent >= 2:
                    return False
                late_run = 0
            elif c == "L":
                late_run += 1
                if late_run >= 3:
                    return False
            else:
                late_run = 0
        return True