🐍 101-Python Strings and Numbers: A Comprehensive Guide
PYTHON
8/29/20242 min read
📜 Strings in Python
📖 String Basics
Strings are a fundamental data type in Python used to handle text. They can be created using single, double, or triple quotes, which can span multiple lines.
🔎 String Operations
Escape Characters in Strings
Escape sequences are used to include special characters in strings:
String Concatenation and Indexing
Strings can be concatenated and indexed to extract specific parts:
String Immutability
Since strings are immutable, any modification creates a new string:
🧩 String Methods
Common String Methods
String Formatting
String formatting allows for embedding variables into strings:
✍️ Exercises: String Manipulation
1- Print a string with a newline character:
2- Print a string with a tab character:
3- Replace characters in a string:
4- Find and replace a substring in a string:
🔢 Numbers in Python
📖 Numeric Types
Python supports different numeric types, including integers and floats. You can also use scientific notation for large numbers.
Integer and Float Types
Basic Arithmetic Operations
Perform various arithmetic operations using Python:
🧩 Advanced Numeric Operations
Exponentiation
Use Functions
2- Convert a float to an integer and vice versa:
3- Calculate the product of two numbers provided by the user:
4- Format a number as currency and percentage:
✍️ Exercises: Numeric Operations
1- Calculate the area of a circle:
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