𝕾𝖙𝖗𝖎𝖓𝖌𝖘 𝖎𝖓 𝖕𝖞𝖙𝖍𝖔𝖓 𝖕𝖗𝖔𝖌𝖗𝖆𝖒𝖒𝖎𝖓𝖌

𝙎𝙏𝙍𝙄𝙉𝙂𝙎

           Strings in python are surrounded by either single quotes or double quotes. You can display a string literally with the print()  function. 

𝙀𝙭𝙖𝙢𝙥𝙡𝙚 : 

𝙊𝙪𝙩𝙥𝙪𝙩 :

 𝘼𝙎𝙎𝙄𝙂𝙉 𝘼 𝙎𝙏𝙍𝙄𝙉𝙂𝙎 𝙏𝙊 𝘼 𝙑𝘼𝙍𝙄𝘼𝘽𝙇𝙀𝙎 : 

                  Assigning a string to a variable is done with the variable name followed by an equal sign and the string. 

𝙀𝙭𝙖𝙢𝙥𝙡𝙚 : 

𝙊𝙪𝙩𝙥𝙪𝙩:

𝙈𝙐𝙇𝙏𝙄𝙇𝙄𝙉𝙀 𝙎𝙏𝙍𝙄𝙉𝙂𝙎 : 

                   You can assign a multiline string to a variable by using three quotes : 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

𝙎𝙏𝙍𝙄𝙉𝙂 𝙁𝙐𝙉𝘾𝙏𝙄𝙊𝙉𝙎 : 

✔ 𝙞𝙣𝙙𝙚𝙭() 

             index()  returns the position where it was found. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

 𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝘾𝙤𝙪𝙣𝙩() 

              Count() returns the number of times  a specified value occurs in a string. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙛𝙞𝙣𝙙() 

          find() returns the position where it was found. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙞𝙨𝙖𝙡𝙣𝙪𝙢() 

              isalnum() returns true if all characters in the string are alphanumeric. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙞𝙨𝙖𝙡𝙥𝙝𝙖() 

          isalpha() returns true if all characters in the string are alphabets. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙞𝙨𝙙𝙚𝙘𝙞𝙢𝙖𝙡() 

                   isdecimal() returns true if all characters in the string are decimals. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙞𝙨𝙙𝙞𝙜𝙞𝙩()

                 isdigit() returns true if all characters in the strings are digits. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙞𝙨𝙡𝙤𝙬𝙚𝙧() 

              islower() returns true if all characters in the string are in lower case. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙞𝙨𝙪𝙥𝙥𝙚𝙧() 

           isupper() returns true if all characters in the string is uppercase. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙞𝙨𝙣𝙪𝙢𝙚𝙧𝙞𝙘() 

              isnumeric returns true if all characters in the string are numbers. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙞𝙨𝙨𝙥𝙖𝙘𝙚() 

                isspace() returns true if the string is whitespace. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 :  

✔ 𝘾𝙖𝙥𝙞𝙩𝙖𝙡𝙞𝙯𝙚() 

                Capitalize() converts the first character to upper case. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙘𝙖𝙨𝙚𝙛𝙤𝙡𝙙()

                casefold() converts string into lower case.

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙘𝙚𝙣𝙩𝙚𝙧() 

                   center() returns a centered string. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

 

✔ 𝙧𝙚𝙥𝙡𝙖𝙘𝙚() 

                    replace()  specified element in the string is replaced with new element. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙨𝙩𝙖𝙧𝙩𝙨𝙬𝙞𝙩𝙝()

                 startswith() returns true if the string starts with the specified value. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙚𝙣𝙙𝙨𝙬𝙞𝙩𝙝() 

                   endswith() returns true if the string ends with specified value. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

𝙎𝙤𝙢𝙚 𝙤𝙛 𝙩𝙝𝙚 𝙗𝙪𝙞𝙡𝙩-𝙞𝙣 𝙛𝙪𝙣𝙘𝙩𝙞𝙤𝙣𝙨 :

✔ 𝙧𝙤𝙪𝙣𝙙() 

              round() returns a floating point number which is a rounded form of the specified number. 

𝙎𝙮𝙣𝙩𝙖𝙭 : 

round(number,digits)

Here, 'digits' represents upto how many digits the number should be rounded. 

Eg : if digit=3,the number is rounded up to 3 decimal values. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙤𝙧𝙙() 

            ord() returns the decimal value of the given character as per the ascii table. 

𝙎𝙮𝙣𝙩𝙖𝙭 : 

ord(character)

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙤𝙘𝙩() 

            oct() converts an integer into an octal string. 

𝙎𝙮𝙣𝙩𝙖𝙭 : 

oct(int) 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙢𝙖𝙭() 

            max() returns the items  highest value among the string alphabetically or if the given input is integer it returns the highest number. 

𝙎𝙮𝙣𝙩𝙖𝙭 : 

max('n1','n2',......,'nn')

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙢𝙞𝙣() 

           min() returns the items with lowest values among the string alphabetically or returns lowest number among integer. 

𝙎𝙮𝙣𝙩𝙖𝙭 :

min('n1','n2',....,'nn')

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙋𝙤𝙬() 

             pow() returns the value of 'x' to the power of 'y'.(x^y)

𝙎𝙮𝙣𝙩𝙖𝙭 :

pow(x,y,z)

Here,the third parameter 'z' represent modulus which is optional. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

 

𝙊𝙪𝙩𝙥𝙪𝙩 :

✔ 𝙖𝙨𝙘𝙞𝙞() 

              ascii() returns readable version of any objects such as strings, tuples, lists, etc..

𝙎𝙮𝙣𝙩𝙖𝙭 :

ascii(objects)

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙗𝙞𝙣() 

             bin() returns the binary value of a number. 

𝙎𝙮𝙣𝙩𝙖𝙭 :

bin(n)

Here, 'n' represents an integer. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 : 

𝙊𝙪𝙩𝙥𝙪𝙩 :

✔ 𝙖𝙗𝙨() 

             abs() returns the absolute  value of the specified number. 

𝙎𝙮𝙣𝙩𝙖𝙭 :

abs(n)

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 :

✔ 𝙖𝙣𝙮() 

            any() returns true if any of the items is true otherwise it returns false. 

𝙎𝙮𝙣𝙩𝙖𝙭 :

any(items)

Here, items represents 0,1 true and false given inside a  list, tuples, etc.. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 :

✔ 𝙖𝙡𝙡()

            all() returns true if all the items in a list are true otherwise it returns false. 

𝙎𝙮𝙣𝙩𝙖𝙭 :

all(items)

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 :

✔ 𝙗𝙤𝙤𝙡() 

            bool() returns the boolean value of  0 and 1.

𝙎𝙮𝙣𝙩𝙖𝙭 :

bool(objects)

Here, 'objects' represents 0,1,strings,tuples,whitespaces etc...

It will return false for '0' and'whitespaces' otherwise true. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 : 

✔ 𝙘𝙝𝙧() 

            chr() returns the character of the specified number as per the ascii value. 

𝙎𝙮𝙣𝙩𝙖𝙭 :

chr(number)

It's just opposite to ord() function. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 :

✔ 𝙨𝙪𝙢() 

                sum() returns the addition of all items. 

𝙎𝙮𝙣𝙩𝙖𝙭 : 

sum(items,start)

Here, start is optional. 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 :

✔ 𝙘𝙚𝙞𝙡() 

            ceil() returns a ceiling value of x.ie.. the largest integer not greater than x. 

𝙎𝙮𝙣𝙩𝙖𝙭 :

import math

math. ceil(x) 

 𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 :

✔ 𝙛𝙡𝙤𝙤𝙧() 

              floor() returns the floor of x. ie..the smallest integer not lesser than x. 

𝙎𝙮𝙣𝙩𝙖𝙭 :

import math

math. floor (x) 

𝙀𝙓𝘼𝙈𝙋𝙇𝙀 :

𝙊𝙪𝙩𝙥𝙪𝙩 :