STRINGS - Handling them like a PRO! π
Some in-built functions that can make your task of working around strings a cakewalk!
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Some in-built functions that can make your task of working around strings a cakewalk!
Thread π§΅
βοΈ What are STRINGS?
In Python, there is no character! Even a single character is considered a string. Strings are an immutable sequence.
Immutable -> Once strings are created, they cannot be changed.
So, you can't change the string, but the reference to it can be changed.
In Python, there is no character! Even a single character is considered a string. Strings are an immutable sequence.
Immutable -> Once strings are created, they cannot be changed.
So, you can't change the string, but the reference to it can be changed.
βοΈ .split()
a = "this is a string"
a.split()
O/P: ['this', 'is', 'a', 'string']
The string is split into each word in the sentence, considering the DELIMITER as space. The output of the split function is given in a LIST.
a = "this is a string"
a.split()
O/P: ['this', 'is', 'a', 'string']
The string is split into each word in the sentence, considering the DELIMITER as space. The output of the split function is given in a LIST.
DELIMITER -> It is a character or a group of characters that describe how to split the string.
For eg:
a = "this is a string"
a.split("is")
## In the bracket, we defined the delimiter as 'is'}
O/P: ['th', ' ', ' a string']
For eg:
a = "this is a string"
a.split("is")
## In the bracket, we defined the delimiter as 'is'}
O/P: ['th', ' ', ' a string']
βοΈ .replace()
This is used to replace a character or a group of characters with another.
a = "this is a string"
a.replace("this", "that")
O/P: 'that is a string'
The word 'this' is replaced with 'that'.
This is used to replace a character or a group of characters with another.
a = "this is a string"
a.replace("this", "that")
O/P: 'that is a string'
The word 'this' is replaced with 'that'.
βοΈ .strip()
This function returns a copy of the string in which all the characters have been removed (stripped) from the beginning and the end of the string.
For eg:
a = "I am Sukriti. I am a learner. Who am I"
a.strip('I')
O/P: am Sukriti. I am a learner. Who am
This function returns a copy of the string in which all the characters have been removed (stripped) from the beginning and the end of the string.
For eg:
a = "I am Sukriti. I am a learner. Who am I"
a.strip('I')
O/P: am Sukriti. I am a learner. Who am
Notice that the .strip() method removed the 'I' only from the beginning and the end.
If no argument is passed to the method, it removes blank spaces from the beginning and the end by default.
If no argument is passed to the method, it removes blank spaces from the beginning and the end by default.
βοΈ .find()
It returns the index value for the first occurrence of the passed value in the method.
For eg:
a = "I am Sukriti. I am a learner. Who am I"
a.find('learner')
O/P: 21
The word 'learner' begins from index 21.
It returns the index value for the first occurrence of the passed value in the method.
For eg:
a = "I am Sukriti. I am a learner. Who am I"
a.find('learner')
O/P: 21
The word 'learner' begins from index 21.
Note: The beginning value of the index is zero (0).
To verify:-
a = "I am Sukriti. I am a learner. Who am I"
a.find('I')
O/P: 0
Since the occurrence of the first 'I' is at the beginning, so .find() must return the answer as 0. Hence we got the output as 0.
To verify:-
a = "I am Sukriti. I am a learner. Who am I"
a.find('I')
O/P: 0
Since the occurrence of the first 'I' is at the beginning, so .find() must return the answer as 0. Hence we got the output as 0.
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