After running a one way analysis of variance ANOVA F test yo

After running a one way analysis of variance (ANOVA) F test you find that at least two of the three means differ. What should you do next and why? Post your response, providing an example to illustrate your explanation.

We shoud do Multiple comparisons to see which mean is significant different from others such using Bonferroni method.

For example, if we want to see which drug is effective, we need to use multiple comparison.