python基本文法003

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# 模組，導包，引用
# import
print("import ...-----------")
import time
#print(help(time))
print(time.ctime())


# from ... import ...
print("from ... import ...-----------")
from time import ctime,sleep
#print(help(time))
print(ctime())
sleep(2)
print(ctime())


# from time 導time下的所有方法，不建議這麼寫，不清楚是自訂的還是內建的
from time import *


from time import sleep as sys_sleep
def sleep(sec):
    print("my sleep" + str(sec))
sys_sleep(2)
sleep(2)


from selenium import webdriver
dr = webdriver.Chrome()

from selenium.webdriver import Chrome
dr = Chrome()

 

 

 

 

python基本文法003