What is print in Python and How to use its Parameters?

What is print in Python and How to use its Parameters?

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print in Python and How to use its Parameters

In Python, the print() function is used to output text, or other types of data, to the console. The text or data that you want to output is passed as an argument to the print() function.

For example, the following code outputs the text “Hello, World!” to the console:

print("Hello, World!")

The print() function also has several optional parameters that can be used to customize the output. Some of the most commonly used parameters are:

  • sep: A string that is used to separate multiple arguments passed to the print() function. By default, this is a space character.
  • end: A string that is printed at the end of the output. By default, this is a newline character.
  • file: The file-like object where the output is written. By default, this is the console (sys.stdout)

Here’s an example of how to use the sep and end parameters:

print("Hello", "World", sep=", ", end="!n")

This will output the string “Hello, World!” followed by a newline character.

You can also use the file parameter to redirect the output to a file instead of the console. Here’s an example of how to use the file parameter:

with open("output.txt", "w") as f:
    print("Hello, World!", file=f)

This will write the string “Hello, World!” to a file named “output.txt”

Another parameter of the print() function is flush. By default, this is set to False, which means that the output is buffered and may not appear immediately on the console or in the file. If you set flush to True, the output will be flushed, which means that it will appear immediately.

Here’s an example of using the flush parameter:

print("Hello, World!", flush=True)

This will output the text “Hello, World!” immediately, without waiting for the buffer to fill up.

You can also use format strings along with print() function to format the output. The {} is used as a placeholder for the value that you want to insert into the string.

For example:

name = "John"
age = 25print("My name is {} and I am {} years old.".format(name, age))

This will output the string “My name is John and I am 25 years old.”

In python 3.6 and above you can use f-strings which is a more concise way of formatting strings.

name = "John"
age = 25print(f"My name is {name} and I am {age} years old.")

These are some of the parameters that can be used with the print() function in Python to customize the output.


In summary, the print() function is a powerful tool in Python that can be used to output text or other data to the console. It supports a variety of parameters and format specifiers to customize the behavior and output of the function. The sep, end, file, and flush parameters provide additional functionality, while format specifiers allow you to include dynamic values in the printed string. The print() function also supports multiline printing using triple quotes or the n character. The print() function can be used to debug the code, display messages to the user, or write data to a file.



Q1 Can I print multiple lines using the print() function?

Yes, you can use the newline character n to print multiple lines. For example, print("line1nline2nline3") will print three lines, “line1”, “line2”, and “line3”.

Q2 Can I print a variable’s value without concatenating it to a string?

Yes, you can use the format() method or f-strings to include the value of a variable in a string. For example, print("The value of x is {}".format(x)) or print(f"The value of x is {x}") will print the value of the variable x.

Q3 How can I print a string without a newline at the end?

You can use the end parameter to specify what should be printed at the end of the string. For example, print("Hello, World!", end="") will print “Hello, World!” without a newline at the end.

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