Plot doesn't appear after using plt.plot

Question

I have this code:

from matplotlib.pylab import plt

abc = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',]

def countp(counter):
    count=0
    for i in counter:
        print(abc[count],"showed up ",i," times")
        count+=1

def checkfile(folder):     
    file = open(folder,"r")
    read=file
    abc = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',]
    counter = [0]*26
    #read file
    for i in file:
        # reads line
        for j in i:
            count=0
            #search one key at a time
            for k in abc:
                if (j==k.lower()):
                    #add +1 to desired letter. 
                    counter[count]+=1
                count+=1
    return counter

if __name__ == "__main__":
    folder="C:/Users/omerd/Desktop/Welp.txt"
    counter=checkfile(folder)
    countp(counter)
    x=5
    y=6
    plt.plot(x, y)

it does run, but it doesn't use the

    plt.plot(x, y)

line. It should open a chart, but it doesn't, not sure if newbie mistake or need to reinstall everything.

have a look at collections.Counter, why do you have 2 abc variables, look at the strings module, use context managers with open(...) as file: — rioV8
– rioV8, Commented Jan 12, 2021 at 14:49

ACuteWoof · Accepted Answer · 2021-11-07 10:15:30Z

2

Many Documentations Don't mention this but try adding plt.show() at the after plt.plot(). plt.show() is just to open the matplotlib plot

edited Nov 7, 2021 at 10:15

answered Jan 12, 2021 at 14:12

ACuteWoof

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Comments

Shunya · Accepted Answer · 2021-01-12 14:11:41Z

1

The solution to your problem is to add plt.show() at the end of your code. This will display your plot.

From matplotlib's official documentation: When running in ipython with its pylab mode, display all figures and return to the ipython prompt.

answered Jan 12, 2021 at 14:11

Shunya

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