string intro

what is string..?

In python, strings are arrays of bytes representing unicode character. however, python does not have a character data type, a single character is simply a string with length 1.

square brackets [] used for access element of string.

creating string..

In python create a string using " " or ' ' or ''' '''(for multiple line)

st=' '

st=" "

st=''' '''

accesing character in python

string=[i] ; where i is only interger otherwise typeerror

deleting/updating form string..

In python, updation or deletion of a character from a string not allowed becoz string is immutable.

but deletion of entire string is possible by del keyword.

string='python'

string[0]='p' #type error

escaping (as it is print)..

\' = '

\" = "

\\ = \\

Raw string...

string='Ankit \x48'

print(string) #output= Ankit H

string=r'Ankit \x48

print(string) #output= Ankit \x48

...both string are difference second is called raw string after multiply by r

Formating of string...

string in python can be formatted with the use of farmat() method which is very versatile.

string alignment...

1.string can be left(<) , right (>) center (^) with the use of format specifiers.

e.g. string='{:>8}'.format('ankit')

print(string) #output=___ankit

e.g. string='{:<8}'.format('ankit')

print(string) #output=ankit___

e.g. string='{:^8}'.format('ankit')

print(string) #output= __ankit)_

2. you can also change or display in binary(b), exponent(e), hexdecimal(n), octal(o) and float value(f) etc.

string='{:b}'.format(4)

print(string) #ouput=100

string='{:.2f}'.format(1/6)

print(string) #ouput=0.17

string='{:e}'.format(164.58)

print(string) #1.6458e+02

and similary you can try other