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Write a program that replaces words in a sentence. The input begins with word replacement pairs (original and replacement). The next line of input is the sentence where any word on the original list is replaced.

**Example:**

**Input:**

```
automobile car children kids manufacturer maker
The automobile manufacturer recommends car seats for children if the automobile doesn't already have one.
```

**Output:**

```
The car maker recommends car seats for kids if the car doesn't already have one.
```

You can assume the original words are unique.

Answer :

The program is an illustration of loops and conditional statements.

Loops are used to perform repetitive operations, while conditional statements are statements whose execution is dependent on its truth value.


The program in Python where comments are used to explain each line is as follows:

#This gets input for the words to replace and their replacements

wordReplace = input()

#This splits the words using space

wordReplace = wordReplace.split()

#This gets input for the original word

wordOriginal = input()

#This iterates through each word and the replacements

for i in range(0, len(wordReplace), 2):

#This replaces all words with the corresponding replacement

if wordReplace[i] in wordOriginal:

wordOriginal = wordOriginal.replace(wordReplace[i], wordReplace[i+1])


#This prints the new string

print(wordOriginal)

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Rewritten by : Barada

Answer:

Following are the program in the Python Programming Language

#set variable to input sentence to replace words

sen = input()

#split that sentence

sen = sen.split()

#set variable to input whole sentence

get = input()

#set the for loop to replace words

for i in range(0, len(sen), 2):

#check condition when words of sen is in get

if sen[i] in get:

#then, replace words

get = get.replace(sen[i], sen[i+1])

#print the whole string after replacing

print('\n',get)

Explanation:

Following are the description of the program.

  • Set a variable 'sen' that get a sentence for replacing the word.
  • Split that sentence by split() method and again store that sentence in the following variable.
  • Set a variable 'get' that gets the whole sentence from the user.
  • Set the for loop for replacing words then, set the if conditional statement that checks the condition that the variable 'sen' in the variable 'get' then replace the words.
  • Finally, print the whole sentence after the replacement.