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Learn Python string




Strings

Strings in python are surrounded by either single quotation marks, or double quotation marks.

'hello' is the same as "hello".

You can display a string literal with the print() function:

Example-
print('Hello') print('Hello')


Assign String to a Variable

Assigning a string to a variable is done with the variable name followed by an equal sign and the string:

Example-
a = "Hello"
print(a)


Multiline Strings

You can assign a multiline string to a variable by using three quotes:

Example-
You can use three double quotes:
a = """Lorem ipsum dolor sit amet,
consectetur adipiscing elit,
sed do eiusmod tempor incididunt
ut labore et dolore magna aliqua."""
print(a)


Strings are Arrays

Like many other popular programming languages, strings in Python are arrays of bytes representing unicode characters.

However, Python does not have a character data type, a single character is simply a string with a length of 1. Square brackets can be used to access elements of the string.

Example-
Get the character at position 1 (remember that the first character has the position 0):
a = "Hello, World!"
print(a[1])


Looping Through a String

Since strings are arrays, we can loop through the characters in a string, with a for loop.

Example-
for x in "banana":
print(x)


String Length

To get the length of a string, use the len() function.

Example-
The len() function returns the length of a string: a = "Hello, World!"
print(len(a))

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