String Data Type

Last Updated: 13th August 2025

  • A string is a sequence of characters (letters, numbers, symbols, spaces).
  • In Python, strings are immutable → once created, you can’t change them directly.
  • Strings are always inside quotes:
    • Single quotes → 'Hello'
    • Double quotes → "Hello"
    • Triple quotes → '''Hello''' or """Hello""" (used for multi-line text)
  • String is iterable → you can loop through characters in a string or access characters one by one.

Hinglish Tip 🗣: Python me jab bhi koi text store karna ho — jaise naam, address, email, message — toh hum usse quotes me likhte hain. Triple quotes ka use multi-line text ke liye hota hai.

✏ Creating a String

name = "Sadhu"
greeting = 'Hello World'
multi_line = """This is
a multi-line
string."""

# Print the strings
print(name)
print(greeting)
print(multi_line)

# Data type check
print(type(name))
print(type(greeting))
print(type(multi_line))

💡 Here we have created 3 different strings using different types of quotes.We use print function to print them and check their data type.Your output should look like this:

Sadhu
Hello World
This is
a multi-line
string.
<class 'str'>
<class 'str'>
<class 'str'>

🚫 We can not generally put single quotes inside single quotes string ,double quotes inside double quotes string.e.g.

  • print('I'm a string') → SyntaxError: invalid syntax
  • print("I'm a string") → This is a valid string

🎭 Escape Sequences

  • Escape sequences allow you to insert special characters in a string.
  • They start with a backslash \. e.g.
  • \n → new line
  • \t → tab space
  • \" → "
  • \' → '
  • \\ → \
  • \ → line join
# Moves World to next line
print("Hello\nWorld")

# Adds a tab space
print("Python\tRocks")

# Prints apostrophe correctly
print("It\'s raining")

# Prints path with backslashes
print("C:\\Users\\Admin")

🖨️ Different Way to print Data

name = "Sadhu"
place = "Kashi"

# 1.Print  string data, syntax:
# print("message")

print("Hello World")
print("Hello", "World")

# 2.Print  variable data, syntax:
# print(variable)
# print(variable1, variable2)

print(name)
print(name, place)

# 3.Print string and variable data, syntax:
# print("message", variable)

print("Hello " , name , " from " , place)

# 4.Using Format String str.format():
# print("message {}".format(variable))

print("Hello {} from {}".format(name, place))

# 5.Using f-string :
# print(f"message {variable}")

# 6.Printing Without Newline, syntax:
# print("message", end="")

print("Hello " , name , " from " , place, end="")

Hinglish Tip 🗣: Printing ka matlab sirf text dikhana nahi, balki variables, formatting, aur style ke sath output banani hoti hai. f-Strings sabse easy aur fast tarika hai.By default, print() adds a newline at the end.Using end=" " changes it.

Raw Strings

  • A raw string in Python is a special type of string where escape sequences (like \n, \t) are treated as literal characters and not interpreted as special characters.
  • Raw strings are created by prefixing a string with r or R before the quotes (e.g., r"Hello\nWorld").
  • They are useful for writing regular expressions, file paths, or any text where backslashes () should not be treated as escape characters.

Hinglish Tip 🗣: Raw string ka matlab hai backslash (\) ko special character nahi, balki normal character ki tarah treat karna. Ye file paths ya regex ke liye bohot kaam aata hai.

# Create a raw string
raw_string = r"Hello\nWorld"

# Print the raw string
print(raw_string)

# File path example
path = "C:\Users\Admin\notes.txt"  # Regular string, interprets \n as newline
print(path)  # Output:
             # C:\Users\Admin
             # otes.txt

raw_path = r"C:\Users\Admin\notes.txt"  # Raw string, treats \ as literal
print(raw_path)  # Output: C:\Users\Admin\notes.txt

💡 Quick Practice

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