Input and output Basics In Python

This topic discusses input and output basics in Python topic based on string concatenation, concatenation errors, string Repetition, length of string, and taking input from the user string.

INPUT AND OUTPUT BASICS

topic1: working with strings and string concatenation

String Concatenation:
Joining strings together is called string concatenation
Example code 1:
```
a="Hello"+" "+"World" 
print(a)
```
Output:
```
Hello World
```
String Concatenation with Number:
Joining strings together is called string concatenation with a number using double code notation.Example code 2:
```
num1="1"
num2="2" 
print(num1+num2)
```
```
Output:   
12
```
topic2: working with string Concatenation Error

String Concatenation Error:
String Concatenation is possible only with strings.

Example code 1:
```
a="*"+10 
print(a)
```
```
output: 
ERROR!
Traceback (most recent call last):
File "<main.py>", line 3
a="*"+10 print(a)
^^^^^
SyntaxError: invalid syntax
```
topic3: Working with string repetition

String repetition: String repetition is used for a string in a word multiple times. The * operator is used for repeating strings as often as required.

Example code 1:
```
name=" python "*10
print(name)
```
```
output: 
 python python python python python python python python python  
```
Example code 2:
```
a="name" 
b=("* "*3)+ a +("* "*3)
print(b)
```
```
output: 
* * * name* * *
```
topic4: Working with a length of String

Length of string: in this method, we can check the length of the string len()returns the number of characters in a given string.

Example code 2:

name="rammohansai" 
print(len(name))

output: 
11

topic4: Working with string taking input from the user
Input from the user: string or number-taking form the user to use the method input () allows flexibility to take the input from the user.

Example code 1:

A=input()
B=input() 
print(A+B)

OUTPUT:
RAM 
MOHAN
RAM MOHAN

INPUT AND OUTPUT BASICS

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