title: currently trying to create a box plot for my class and cannot find problem with my code
body: <p>Here is my code:</p>
  <pre><code>df=read.csv(&quot;group.csv&quot;,header=TRUE)
  plt.boxplot(df.group_a,
              main = &quot;Sales Data&quot;,xlab = &quot;Group A&quot;,ylab = &quot;Sales&quot;,col = &quot;yellow&quot;,border = &quot;red&quot;,notch = TRUE)
  plt.boxplot(df.group_b,
              main = &quot;Sales Data&quot;,xlab = &quot;Group B&quot;,ylab = &quot;Sales&quot;,col = &quot;blue&quot;,border = &quot;red&quot;,notch = TRUE)
  plt.boxplot(df.group_c,
              main = &quot;Sales Data&quot;,xlab = &quot;Group C&quot;,ylab = &quot;Sales&quot;,col = &quot;black&quot;,border = &quot;red&quot;,notch = TRUE)
  plt.boxplot(df.group_d,
              main = &quot;Sales Data&quot;,xlab = &quot;Group D&quot;,ylab = &quot;Sales&quot;,col = &quot;green&quot;,border = &quot;red&quot;,notch = TRUE)
  </code></pre>