Python Input, Output and Import

This session focuses on the two built-in () and intrinsic () functionalities to perform the I / O functions of Python. In addition, you will learn to download the module and use it for your program.

Table of Contents

• Python Output Using print() function
• Output formatting
• Python Input
• Python Import

Python offers a number of built-in services that are easily accessible by Python application.

Some input and (print) () functions are used for the entry and exit operation of the oil, respectively. Let's see the emergence of the first one.

Python Output Using print() function:

We use the publisher () for the production of product data.

We also can send the data file, but this will be discussed later. The example below uses.

Here, the value of the product can be printed.

print('This sentence is output to the screen')

# Output: This sentence is output to the screen

a = 5

print('The value of a is', a)

# Output: The value of a is 5

Displaying real print ()

print(*objects, sep=' ', end='\n', file=sys.stdout, flush=False)

The separator can use the value. Usually, there is a clear nature.

After the entire printing was published, the end was printed. Save up is a new line.

The file is the product of its published value and the temperature of the syslog. Here is an example of this.

print(1,2,3,4)

# Output: 1 2 3 4

print(1,2,3,4,sep='*')

# Output: 1*2*3*4

print(1,2,3,4,sep='#',end='&')

# Output: 1#2#3#4&

Output formatting:

Sometimes we want to shape the production to look attractive. This can be done by using technological methods (). This process looks at all the shades of the product.

Here are the keys {} used to be advertisers. We can decide that the series is published by the number (index).

print('I love {0} and {1}'.format('bread','butter'))

# Output: I love bread and butter

print('I love {1} and {0}'.format('bread','butter'))

# Output: I love butter and bread

Python Input: 

So far, our program is normal. The difference is defined and defined in the code number.

To allow flexibility you may want to take the user's suggestions. In Python, we have the technical work () to allow it. The word for entry () is

>>> int('2+3')

Traceback (most recent call last):

 File "<string>", line 301, in runcode

 File "<interactive input>", line 1, in <module>

ValueError: invalid literal for int() with base 10: '2+3'

>>> eval('2+3')

5

Python Import:

When our program is bigger, it's a good idea to divide it into different parts.

A module is a file containing Python definition and comments. Python sections have a file name and end with extension .py.

import math

print(math.pi)

Defining the mediation can be referred to other parties or an interpreter for Python. We use the keyword import tool to do this.

 For example, we can introduce a mathematical module by entering the import account.

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