Python if variable is string | Example code

There are two ways to check if a variable is a string in Python. First isinstance() method and second type() method. How to check if a variable is a string in Python Simple python examples code: Using isinstance(var, str) The isinstance function takes two arguments. The first is your variable. The second is the type Read More…


Python check if string is number | Example code

Use Python String isnumeric() Method to check if the string is number or not. This method returns True if all the characters are numeric (0-9), otherwise False. Python checks if the string is a number Example Simple python example to Check if a given string is numeric or not. Output: This function is used to Read More…


What is Python empty string | Example code

Python string is called an empty string if the string doesn’t have any character, whitespace whatsoever. But if the string has multiple white spaces or single space or tab spaces then it is a blank string. Example Create and check an empty string in Python. Simple python example code. In a Boolean context, null / Read More…


Python create empty string | Example code

Use “” to create an empty string in Python. There should be no char or whitespace in the string. Python creates an empty string Example Python simple example code initializes a string containing no characters and no whitespace and checks if String is empty. To check if the string is empty or not, use a Read More…


Python if statement string contains substring or word | Example code

Best to check string contains substring or not is using the in operator in Python. The in operator is generally used with if statement to check string contains a word or not. 99% of use cases will be covered using the keyword, in, which returns True or False: Note: Does Python have a string ‘contains’ Read More…


Python check if string is empty | 4 ways Example code

There are several ways to checks if the string is empty or not in python but the most elegant way would probably be to simply check if it’s true or falsy. How to Check If String is Empty or Not in Python example Check python examples in different ways. not operator The not operator in Read More…


Convert a list of int to string Python | Example code

Use the string lower() method inside a for loop to convert a list of int to string in Python. Let’s convert a list of int to string Python Simple Python example code. Output: Another Example Convert each string to lowercase Output: [‘aa’, ‘bb’, ‘cc’] Do comment if you have any doubts and suggestions on this Read More…


Python null string | Understanding string “null”

A non-empty string is always True in python. So “null” evaluates to True in a boolean operation, just as “Apple”. In Python, there is no null keyword or object available. Instead, you may use the ‘None’ keyword, which is an object. Example null string Python “” is an empty string, “null” is not: Output: How Read More…


Python declare Empty String | Example code

Use “” to declare an empty string in Python. You can use characters inside a single quote(”) or double quotes (“”). How to declare an empty string in Python Example Assign “” to a variable to initialize an empty string. And in example check if String is empty in Python. Output: Do comment if you Read More…


Python print Boolean as a string | Example code

Use the str method to print the Boolean value as a string in Python. Example print Boolean as a string Simple python example code. Output: Use + operator with str() The advantage of converting a boolean into a string you can concatenating a boolean to a string that appends it to the end of another. Read More…