For example, the if statement:if age<21: print "You cannot buy wine ! \n" print "But you can buy chewing gum. \n"print "this is outside if\n"There are many other essential statements and commands. What we are going to talk about today is the way to delete a file in Python. ...
To remove items from a list using the del statement in Python, you need to specify the position or range of the item(s) to be removed by index. The first index is 0, and the last index is -1. You can also delete the entire list by specifying [::-1] as the range. The followin...
In this tutorial, you'll learn about the Python pass statement, which tells the interpreter to do nothing. Even though pass has no effect on program execution, it can be useful. You'll see several use cases for pass as well as some alternative ways to do
Within theforloop, anifstatement presents the condition thatifthe variablenumberis equivalent to the integer 5,thenthe loop will break. You can refer to this tutorial onUsing for() loop in Pythonto learn more about using theforloop. Note:You can also refer to this tutorial onHow to constru...
The “OR” operator in Python “if statement” is used to combine multiple conditions and filter out the information based on the specified conditions. The “OR” operator shows a “True” boolean value when any of its conditions become “True”. If all the operands/conditions retrieve a ”...
1. Python Switch Case Implementation using Dictionary We can create adictionarywhere the key will be the case and the value will be the result. We will call the dictionary get() method with a default value to implement the scenario when there is no matching case. ...
The keys in a dictionary are much like a set, which is a collection of hashable and unique objects. Because the keys need to be hashable, you can’t use mutable objects as dictionary keys.On the other hand, dictionary values can be of any Python type, whether they’re hashable or not...
LearnDataSci is reader-supported. When you purchase through links on our site, earned commissions help support our team of writers, researchers, and designers at no extra cost to you. What does pass do? The pass statement does nothing in Python, which is helpful for using as a placeholder ...
Method-1: remove the first element of a Python list using the del statement One of the most straightforward methods to remove the first element from a Python list is to use thedelstatement in Python. Thedelstatement deletes an element at a specific index. ...
So far, we have presented a Boolean option for conditional statements, with eachifstatement evaluating to either true or false. In many cases, we will want a program that evaluates more than two possible outcomes. For this, we will use anelse ifstatement, which is written in Python aselif...