What is the best way to search for a specific word within a list of sentences, but only focusing on the first word of each sentence?

list = ["This is an example", "Hello there! This is an example"]


search = input("Enter keyword: ")

for title in list:
    if search in title:
        print(title)

#Output
Search: This
This is an example
Hello there! This is an example

This script searches for the input string, but I want it to specifically search for keywords that are at the beginning of a sentence. For example, if I enter "This" as the keyword, I only want it to find and display "This is an example" because "This" is the first word of a sentence.

pythonstringsearch

Answer №1

Divide the phrase and check against the initial word in this manner:

p = ["Let's take a walk", "Hey, how's it going? Let's take a stroll together"]
lookup = input("Look up: ")
for item in p:
    if lookup == item.split()[0]:
        print(item)

Answer №2

A more concise solution using list comprehension:

l = ["This is an example", "Hello there! This is an example"]
s = input("Please enter a search string : ").lower()   #using lower function for case insensitive comparison
print("".join([i for i in l if i.split()[0].lower() == s]))

If you're not familiar with list comprehension, I recommend checking out the explanation by @not_speshal, as it provides a more detailed breakdown of the code.

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