python 線程模塊

Python threading.main_thread()方法 (Python threading.main_thread() Method)

main_thread() is an inbuilt method of the threading module in Python. It is used to return the main Thread object. It is the thread from which the Python interpreter has started, in normal conditions.

main_thread()是Python中線程模塊的內置方法。 它用于返回主線程對象。 在正常情況下，這是Python解釋程序從其啟動的線程。

Module:

模塊：

import threading

Syntax:

句法：

main_thread()

Parameter(s):

參數：

• None

  沒有

Return value:

返回值：

The return type of this method is <class 'threading._MainThread'>, it returns the main Thread object.

此方法的返回類型為<class'threading._MainThread'> ，它返回主Thread對象。

Example:

例：

# Python program to explain the # use of main_thread() method in Threading Moduleimport time import threadingdef thread_1(i):time.sleep(5)print("Value by Thread-:",i)def thread_2(i):print("Value by Thread-2:",i)def thread_3(i):time.sleep(4)print("Value by Thread-3:",i)def thread_4(i):time.sleep(1)print("Value by Thread-4:",i)# Creating sample threads thread1 = threading.Thread(target=thread_1, args=(10,)) thread2 = threading.Thread(target=thread_2, args=(20,)) thread3 = threading.Thread(target=thread_3, args=(30,)) thread4 = threading.Thread(target=thread_4, args=(50,))print("Main thread for the given program:", threading.main_thread())# Starting the threads thread1.start() thread2.start() thread3.start() thread4.start()

Output

輸出量

Main thread for the given program: <_MainThread(MainThread, started 140269857195776)> Value by Thread-2: 20 Value by Thread-4: 50 Value by Thread-3: 30 Value by Thread-: 10

翻譯自: https://www.includehelp.com/python/threading-main_thread-method-with-example.aspx

python 線程模塊

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