python单词软件哪个好_Python：找到显示最多的单词？

I’m trying to get my program to report the word that shows up the most in a text file. For example, if I type “Hello I like pie because they are like so good” the program should print out “like occurred the most.” I get this error when executing Option 3: KeyError: ‘h’

#Prompt the user to enter a block of text.

done = False

textInput = “”

while(done == False):

nextInput= input()

if nextInput== “EOF”:

break

else:

textInput += nextInput

#Prompt the user to select an option from the Text Analyzer Menu.

print(“Welcome to the Text Analyzer Menu! Select an option by typing a number”

“n1. shortest word”

“n2. longest word”

“n3. most common word”

“n4. left-column secret message!”

“n5. fifth-words secret message!”

“n6. word count”

“n7. quit”)

#Set option to 0.

option = 0

#Use the ‘while’ to keep looping until the user types in Option 7.

while option !=7:

option = int(input())

#The error occurs in this specific section of the code.

#If the user selects Option 3,

elif option == 3:

word_counter = {}

for word in textInput:

if word in textInput:

word_counter[word] += 1

else:

word_counter[word] = 1

print(“The word that showed up the most was: “, word)

解决方案

Instead of rolling your own counter, a better idea is to use Counters in the collections module.

>>> input = ‘blah and stuff and things and stuff’

>>> from collections import Counter

>>> c = Counter(input.split())

>>> c.most_common()

[(‘and’, 3), (‘stuff’, 2), (‘things’, 1), (‘blah’, 1)]

Also, as a general code style thing, please avoid adding comments like this:

#Set option to 0.

option = 0

It makes your code less readable, not more.

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