Matplotlib: Histogram from a list of frequencies

问题

I have a list x = [90, 100, 121, 123, 88]. These values in the list are frequencies of occurrence of an event in 5 different trials. I am looking to create a histogram from this list.

I simply tried:

plt.hist(x)
plt.show()

I get this:

I need something like this:

Note: Very New to Python. And still learning when and how to use Stackoverflow.

回答1:

Since the list x contains the frequencies then use a bar plot:

x = [90, 100, 121, 123, 88]

plt.bar(range(1,6), x)
plt.ylabel('frequency')
plt.show()

来源：https://stackoverflow.com/questions/52857413/matplotlib-histogram-from-a-list-of-frequencies