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import sys
print(sys.argv)
print(sys.path)
import pickle
f = open("test.obj",'wb')
obj = {1:'python', 2 : 'study', 3 : 'Basic'}
pickle.dump(obj, f)
f.close()
f = open("test.obj",'rb')
data = pickle.load(f)
print(data)
f.close()
import os
print(os.environ)
print(os.environ['USERNAME'])
print(os.getcwd())
import time
print(time.time())
print(time.localtime(time.time()))
print(time.ctime())
print(time.strftime('%Y-%m-%d %H:%M%S',time.localtime(time.time())))
import random
print(random.random())
print(random.randint(1, 45))
print(random.randrange(1, 45))
d = [1,2,3,4,5]
random.shuffle(d)
print(d)
import webbrowser
webbrowser.open("http://google.com")