Course 2

Data stream

input

• input() : 輸出 string 資料格式

def to_seconds(hours, minutes, seconds):
    return hours*3600+minutes*60+seconds

print("Welcome to this time converter")

cont = "y"
while(cont.lower() == "y"):
    hours = int(input("Enter the number of hours: "))
    minutes = int(input("Enter the number of minutes: "))
    seconds = int(input("Enter the number of seconds: "))

    print("That's {} seconds".format(to_seconds(hours, minutes, seconds)))
    print()
    cont = input("Do you want to do another conversion? [y to continue] ")
    
print("Goodbye!")

 

 

Subprocess

import subprocess
subprocess.run(["date"])
subprocess.run(["sleep", "2"])
result = subprocess.run(["ls", "this_file_does_not_exist"])
print(result.returncode)