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Py: 5. Python Strings

Python string is the collection of the characters surrounded by single quotes, double quotes.  Python treated single quotes the same as double quotes. The sequence of characters may include a letter, a number, special character or a backslash.

Syntax:

str = "Hello World!"   

Indexing 
The indexing of the Python strings starts from 0 similar like list.

Example:-
str = "PYTHON"  
print(str[0])  
print(str[1])  
print(str[2])  
print(str[3])  
print(str[4])  
print(str[5])  
print(str[6])  
# Returns the IndexError because 7th index doesn't exist  
print(str[7])  
Output:- 
P
Y
T
H
O
N
IndexError: string index out of range

Exercise:- 
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