Concatenation (+) and Repetition (*) in Python

In python, concatenations and repetitions are supported by sequence data types both mutable(list) and immutable(tuple, strings). Sequence types like range objects do not support concatenation and repetition. Furthermore, Python containers that are non-sequence data types (such as sets or dictionaries) do not support concatenation and repetition operators. In this article, we will take a detailed look at concatenations and repetitions that are supported by sequence data types such as list, tuple, and strings.

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Concatenation:

Concatenation is done by + operator. Concatenation is supported by sequence data types(string, list, tuple). Concatenation is done between the *same data types *only.

Syntax:

a+b

String Concatenation:

The string is an immutable sequence data type. Concatenating immutable sequence data types always results in a new object.

Example 1: Strings are concatenated as they are, and no space is added between the strings.

s1="Welcome"
s2="to"
s3="python"
s4=s1+s2+s3
print (s4)#Output:Welcometopython

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