I'm trying to make a bar graph using this data value:

however, when I plot it using plotly express, some of the values are getting doubled, or tripled and it is being stacked together like this:

I'm checking every documentation for error but it seems I am the first one to encountered it.

Here's the source code for the graph:

`#putting user interface using plotly

fig = px.bar(alloy,
x = "Alloy Number",
y = "Elastic Modulus",
barmode = 'group',
width = 1000,
height =500,
color_discrete_sequence = px.colors.qualitative.Pastel,
)
fig.show()`