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String Operations in Python

  • String operations are an essential part of Python programming. Strings are sequences of characters, and Python provides powerful tools to access, modify, and manipulate them easily.

  • String Operations in Python

    Indexing

    Indexing is used to access individual characters in a string.
    Index positions start from 0 (left to right) and -1 (right to left).

Accessing Characters Using Index

This example shows how to access characters using positive and negative indexing. 

text = "Python"
print(text[0])    # P
print(text[-1])   # n

  • Slicing

    Slicing is used to extract a part of a string.
    It uses the format: string[start:end].

String Slicing

This example extracts a portion of a string using slicing. 

text = "Programming"
print(text[0:6])   # Progra

  •  Step Slicing

    Step slicing extracts characters by skipping values.
     It uses the format: string[start:end:step].

Step Slicing

This example prints every second character from the string. 

text = "Python"
print(text[0:6:2])   # Pto

  • Concatenation

    Concatenation is used to join two or more strings.
    The + operator is used for concatenation.

String Concatenation

This example combines two strings into one. 

first = "Hello"
second = "Python"
print(first + " " + second)

  • Repetition

    Repetition repeats a string multiple times.
    The * operator is used for string repetition.

String Repetition

This example repeats a string three times. 

text = "Hi "
print(text * 3)
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