Notebook, chinese, dates.
import pyquickhelper
from pyquickhelper.loghelper import str2datetime
str2datetime("2018-03-02")
datetime.datetime(2018, 3, 2, 0, 0)
Equation: $x^2$
Some chinese: 汉字/漢字 (from wikipedia Chinese language)
print("汉字/漢字")
汉字/漢字
Some utf-8:
print("", ord(""))
57344