Binge watching

import sys

def max_movies():
    input_data = sys.stdin.read().split()
    if not input_data:
        return

    data = [int(x) for x in input_data[1:]]
#tuple
    movies = list(zip(data[0::2], data[1::2]))
    
#endings
    movies.sort(key=lambda x: x[1])
    
    count = 0
    last_end_time = -1
    
    for start_time, end_time in movies:
        if start_time >= last_end_time:
            count += 1
            last_end_time = end_time
            
    print(count)

max_movies()

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED