Introduction

Using a library called pygame When creating a program like a so-called timer that plays music after a specified time has passed There was a problem that no error message was displayed and no music was played. I will write about the solution.

environment

Python 3.6.8 pygame 1.9.6

Conclusion

When music is output by pygame.mixer.music.play () Music can now be played by delaying the execution of the program by the time the music is played with time.sleep ().

Code created

The code that caused the problem

#Create a program to play music

import pygame
import time

react_time = int(input("Set how many seconds you want the music to play>>"))

print(react_time)
time.sleep(react_time)

pygame.mixer.init()
pygame.mixer.music.load("BGM.mp3")
pygame.mixer.music.play()

print("music play")

When you execute the code and enter 3 in the terminal,

Set how many seconds you want the music to play>>3
3
music play

Only the result is output, and no music is played.

Problem-solving code

By causing a delay with time.sleep () after pygame.mixer.music.play (), Music started to play.

import pygame
import time

react_time = int(input("Set how many seconds you want the music to play>>"))

print(react_time)
time.sleep(react_time)

pygame.mixer.init()
pygame.mixer.music.load("BGM.mp3")
pygame.mixer.music.play()

time.sleep(10)  # time.sleep()To secure the time until the end of processing with

print("music play")