How to plot dictionary?

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Python

im practicing pandas atm and since im new to this im stuck with this situation. i have a code here but my problem it didn't plot dictionary is there a way to plot a dictionary or should i change this into a list instead?

import pandas as pd
import matplotlib.pyplot as plt
n=int(input("How many times do you want to input: "))
admno=[]
name=[]
for i in range(n):
    ad = input("Enter admission no: ")
    nm=input("Enter name: ")
    admno.append(ad)
    name.append(nm)
b={'Admno': admno,'Name':name}
c=pd.DataFrame(b)
print(c)
b.plot(x='admno', y='name') 

What I have tried:

ive tried watching yt videos and searching but still i dont get the exact solution that i needed so hope someone could explain it to me.