How do i find a word from user input in another variable?

Question

This is my code:

a = ('the', 'cat', 'sat', 'on', 'a', 'mat')
for i,j in enumerate(a):
    data = (i, j)
    print (data) 
word = input('Type a word out of this sentence - \'The cat sat on a mat\' : ')
word = word.lower()
print(word.find(data))

This is my code, and basically, when a user types in a word from the sentence, i want to find the index position and word from data , then print it. Please can you help me to do this very simply, as i am just a beginner. Thanks :) (Sorry if i haven't explained very well)

Answer 1

Just use a.index(word) instead of word.find(data) . You just need to find word in a , and you don't need your for loop because all it does is keep reassigning data .

Your final result would look something like this:

a = ('the', 'cat', 'sat', 'on', 'a', 'mat')
word = input('Type a word out of this sentence - \'The cat sat on a mat\' : ').lower()
print(a.index(word))

Answer 2

Since you want the index of a where word occurs, you need to change word.find(data) to a.index(word)) .

This will throw a ValueError if the word is not in a , which you could catch:

try:
    print(a.index(word))
except ValueError:
    print('word not found')

Answer 3

You are trying the wrong direction.

If you have a string and call find you search for another string in that string:

>>> 'Hello World'.find('World')
6

What you want is the other way around, find a string in a tuple. For that use the index method of the tuple:

>>> ('a', 'b').index('a')
0

This raises a ValueError if the element is not inside the tuple. You could do something like this:

words = ('the', 'cat', 'sat', 'on', 'a', 'mat')
word = input('Type a word')
try:
    print(words.index(word.lower()))
except ValueError:
    print('Word not in words')

Answer 4

First, you don't need your loop because all it does is just assign the last element of your tuple to data.

So, you need to do something like this:

a = ('the', 'cat', 'sat', 'on', 'a', 'mat') # You can call it data
word = input('Type a word out of this sentence - \'The cat sat on a mat\' : ')
word = word.lower()
try:
    print(a.index(data))
except ValueError:
    print('word not found')