範例4-3：（使用top-level plotly方法:plotly.graph_objects）畫出y=[1,3,2]的bar圖
#完整程式碼：
import plotly.graph_objects as go
#格式：
"""
fig = go.Figure
(
data=[go.Bar(x=串列list,y=串列list}],
layout=go.Layout(title=go.layout.Title(text=標題))
)
"""
fig = go.Figure(
    data=[go.Bar(x=[1, 2, 3], y=[1, 3, 2])],
    layout=go.Layout(
        title=go.layout.Title(text="A Figure Specified By A Graph Object")
    )
)

#在jupyter執行 
#fig.show()

#在spider執行
fig.write_html('exp4-3.html', auto_open=True)