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How to get a substring of string in Python

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To get a substring of a string we can use the slice syntax [] in python.

Here is an example that gets the first 3 letters from a string.

x = "How are you"

print(x[:3])

Output:

How

If you want to get the last 3 letters from a string you need pass negative index.

x = "How are you"

print(x[-3:])
you

If you want to get middle letters you need to slice first and last letters like this.

x = "How are you"

print(x[3:-3])

Output:

are