Sanjay Baweja
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The ability to convert one data type to another gives you great flexibility when working with information.
There are different built-in ways to convert, or cast, types in the Python programming language.
In this article, you'll learn how to convert a string to an integer.
Let's get started!
Python supports a variety of data types.
Data types are used for specifying, representing, and categorizing the different kinds of data that exist and are used in computer programs.
Also, different operations are available with different types of data – one operation available in one data type is often not available in another.
One example of a data type is strings.
Strings are sequences of characters that are used for conveying textual information.
They are enclosed in single or double quotation marks, like so:
Ints, or integers, are whole numbers.
They are used to represent numerical data, and you can do any mathematical operation (such as addition, subtraction, multiplication, and division) when working with integers.
Integers are not enclosed in single or double quotation marks.
Sometimes when you're storing data, or when you receive input from a user in one type, you'll need to manipulate and perform different kinds of operations on that data.
Since each data type can be manipulated in different ways, this often means that you'll need to convert it.
Converting one data type to another is also called type casting or type conversion. Many languages offer built-in cast operators to do just that – to explicitly convert one type to another.
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 general syntax looks something like this: int("str").
Let's take the following example, where there is the string version of a number:
To convert the string version of the number to the integer equivalent, you use the int() function, like so:
Say you want to calculate the age of a user. You do this by receiving input from them. That input will always be in string format.
So, even if they type in a number, that number will be of
If you want to then perform mathematical operations on that input, such as subtracting that input from another number, you will get an error because you can't carry out mathematical operations on strings.
Check out the example below to see this in action:
The error mentions that subtraction can't be performed between an int and a string.
You can check the data type of the input by using the type() method:
The way around this and to avoid errors is to convert the user input to an integer and store it inside a new variable:
And there you have it - you now know how to convert strings to integers in Python!
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The cancer can spread to the neck. If your doctor thinks that the spread to the lysies is likely, it may be necessary to remove the lysies. This operation is done at the same time as the main tumor is removed. The size and location of the tumor, as well as the size and location of the lystium, are used by doctors to determine how likely the cancer is to spread.
There are different types of neck dissection, from radical neck dissection to less extensive neck dissection. They have different amounts of tissue removed from the neck.
In a radical dissection, the nerves and muscles that control the neck and shoulder are removed. It is possible that this is needed to make sure that all of the lymph nodes have been removed. Doctors will try to remove less normal tissue in order to keep your neck and shoulder functioning.
It is necessary to remove part or all of the thyroid gland when the cancer is spreading. The windpipe has a thyroid wrapped around it. The hormones that control metabolism are made by this gland.
Your body won't be able to make the hormones it needs if the thyroid is removed. The loss of the natural hormone must be replaced by the pills of the thyroid hormone.
These operations can be done to help restore the structure or function of areas that have been affected by cancer.
Sometimes a muscle and section of skin can be moved from a region near the throat to reconstruct or restore part of the throat.
Surgeons now have many more reconstruction options with the advent of free flaps.
A muscle in an arm can be used to replace a part of your throat.
A tracheostomy is a procedure that helps a person breathe by connecting the windpipe to a hole in the neck. It can be used in certain circumstances.
If you have a partial laryngectomy or pharyngectomy, you may need a short-term tracheostomy to protect your airway. A small plastic tube called a tracheal tube is placed into your windpipe through a hole in your neck.
The tube is removed when it is no longer needed. You breathe through your mouth and nose again.
After a total laryngectomy, a permanent tracheostomy is needed.
The opening in your windpipe connects to a hole in the skin on the front of your neck. A trach tube may be necessary to keep the opening open. You will not breathe through your mouth or nose.
If a laryngeal or hypopharyngeal cancer is blocking the trachea and is too large to be completely removed, an opening may be made to connect the lower part of the trachea to a hole in the front of the neck to allow you to breathe more comfortably.
Good nutrition can be affected byaryngeal and hypopharyngeal cancer. This problem can make it hard for you to finish treatment.
A G-tube is a tube that is placed into your stomach through the skin. The tube is placed with the help of a flexible instrument that has a light source and is passed through the mouth and stomach. This procedure is done while you are asleep.
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Nutrition drinks can be delivered to the stomach when it is in place.
The tube is usually needed for a short period of time to help you get enough nutrition during cancer treatment.
Once you are able to swallow again, the tube can be removed. It is important that you continue to swallow even when you have a G-tube. This helps keep your muscles active and will give you a better chance of normal swallowing after treatment is over.
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