Question

air = 'yes'

# I'm feeling hungry so I decide to make a change.

air[0] = 'P'

# This fails because air is a string and strings are __________________.

Answer is for Python coding. Find blank above.

Answer 1

Question:
air = 'yes'
# I'm feeling hungry so I decide to make a change.
air[0] = 'P'
# This fails because air is a string and strings are immutable

• This is because whenever you try to change the characters in the string. You will get an error indicating - TypeError: 'str' object does not support item assignment   
• In Python, strings are considered to be immutable. Once you create a string, There is no possibility to change the order of the characters or replacing the characters.
• However, you can able to append new characters or a string to your string
• If you can observe the question, In the first statement we are creating a string and then
• In the next statement, we are trying to replace the 1st character in the string using the 0th index with the char 'P'
• Since this is not possible, because of the immutable nature of the strings. we get an error.

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