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- History of Python - WikipediaOverview of PythonThe programming language Python was conceived in the late 1980s, and its implementation was started in December 1989 by Guido van Rossum at CWI in the Netherlands as a successor to ABC capable of exception handling and interfacing with the Amoeba ope...See more on Wikipedia
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The + operator in Python is versatile and can be used for arithmetic addition, string concatenation, and sequence concatenation. Its behavior depends on the data types of the operands.
Example 1: Arithmetic Addition
The + operator adds two numeric values.
a = 5b = 10result = a + bprint(result) # Output: 15Copied!✕CopyExample 2: String Concatenation
When used with strings, + concatenates them into a single string.
str1 = "Hello"str2 = " World"result = str1 + str2print(result) # Output: Hello WorldCopied!✕CopyExample 3: Sequence Concatenation
For sequences like lists or tuples, + combines them into a new sequence.
list1 = [1, 2, 3]list2 = [4, 5]result = list1 + list2print(result) # Output: [1, 2, 3, 4, 5]Copied!✕CopyImportant Considerations
Type Compatibility: The operands must be of compatible types. For example, adding a string to an integer will raise a TypeError.
# This will raise an error:result = "Number: " + 5# TypeError: can only concatenate str (not "int") to strCopied!✕Copy Python Tutorial - W3Schools
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