In this tutorial, you’ll learn how you can convert a Python string to an int. You’ll also learn how to convert an int to a string. By the end of this tutorial, you’ll understand: How to store integers using str and int; How to convert a Python string to an int; How to convert a …

Oct 27, 2024 · The simplest way to convert a string to an integer in Python is by using the int () function. This function attempts to parse the entire string as a base-10 integer. Explanation: The int () function takes the string s and converts it into an integer. Note: If the string contains non-numeric characters or is empty, int () will raise a ValueError.

Jan 30, 2025 · Learn how to convert a string to an integer in Python using methods like `int()` and `float()`. Explore simple techniques for handling type conversion in your programs!

def convertStr(s): """Convert string to either int or float.""" try: ret = int(s) except ValueError: #Try float. ret = float(s) return ret That way if the int conversion doesn't work, you'll get a float returned.

May 1, 2016 · To convert a string to an int, use int() like this: >>> str = '123' >>> num = int(str) >>> num 123 Edit: Also to convert to float, use float() in the exact same way.

Nov 29, 2021 · To convert, or cast, a string to an integer in Python, you use the int() built-in function. The function takes in as a parameter the initial string you want to convert, and returns the integer equivalent of the value you passed. The …

Mar 25, 2024 · Want to convert a string to an integer in Python? Check out these 5 methods including int (), ast.literal_eval (), try-except block, map (), and ord (). Learn how to handle invalid input, whitespace, overflow errors, and non-numeric …

Mar 19, 2025 · The most common way to cast a string to an integer in Python is by using the built-in int() function. The basic syntax is: int(string, base=10) Here, string is the string you want to convert, and base is an optional parameter that specifies the base of the number in the string.

How to Convert String to Int using int() Function. Let us start with the easiest and the most straightforward way to convert a string to integer using Python: the int() function. Why do we recommend this first? Because this function comes built in. Use this syntax as a guide: num_str = "123" num_int = int(num_str) print(num_int) # Output: 123

Feb 15, 2025 · Learn about casting and type conversion in Python. Understand how to convert variables between types like int, float, and string with examples.