course_01.py

import sys

responseTimes = [100, 200, 150, 300]
def solve():
    
    count = 0
    totalTimes = 0
    
    for i, time in enumerate(responseTimes):
        if i < 1:
            totalTimes += time
            continue

        average = totalTimes / i
        if time > average:
            count += 1
        
        totalTimes += time

    return count

if __name__ == '__main__':
    print(solve())