Every Thing I Know About Python

Created by suraj ghalley

Arthimetic Operator

presedent of operator

1. () Paranthesis 
2. ** Exponential R to L
3. *Multiplication, / Division, % Modulus, // Floor  L to R
4. +Addition, -Subtraction L to R

Logical Operator

• and-all the condition should be true to gat true
• or- getting only one condition true is enought to get output true
• not- 

Bit Wise Operator

• & and
• | or
• ^ Xor
• ~compliment
• >>right shift
• <<left shift 
• working of these operator are provided in given file
• #BitWise Operator.py

Comperision Operator

(==) equal to

(!=) is not equal to

(>=) is greater than or equal to

(<=) is samller than or equal to

(>) is greater than

(<) is smaller than

Member ship operator

• in
• not in

#True

#False

#False (case sensitive)

Operator

Identity Operator

• is      # true if id is true
• is not      # true id id is different

while Loop

Loop

For loop

For Else loop

Binary number number System

• Numbers with power of 2
• consist of only 2 character
• 0,1
• print(0b1010)#21
• print(0B1010)#21

Octal Number System

• Numbers with power of 8
• consist of 8 different character
• 0,1,2,3,4,5,6,7
• print(0o43)#35
• print(0O43)#35

\n

1. \n  it will move curser in new line

   

Decimal Number System

• numbers that are in power of 10
• consist of 10 different character
• 1,2,3,4,5,6,7,8,9,0

Integer Values

All number values that we have learn in math.

Hexadecimal Number System

• number with power of 16
• consist of 16 different character 
• 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F

A=10, B=11, C=12, D=13, E=14, F=15

print(0xA7)#167

print(0XA7)#167

Escape squence character

• This character are special tpye of combination of symbols and alphabets that could not be written directly. 
• This chatacter are usually written as arguments of print function inside quotation marks.
• combination of character are made by \ and another symbol.
• by using \ we can print all those character that were not able to print directly.
• print("Straw hat's captian \\n \"luffy\" ")###
• ###Straw hat's captian \n "luffy" 
• some of this character are:

Boolen

• It consist of only two values 
• True and false

Methods For String

split(): helps to divide  string valuse base on argument provided

Strings

Example: "Pokemon", "pikachu_1", "369",

'charmander', 'b002saur', '401',

we can perform concatenation, repeatation, indexing,

Float

Decimal number are called as float values

E.G. 0.625,  10.5,  10101110.01101,

In-Built Function

Functions that already defined by creator of python

There are more than 60 pre-defined function.

1. dict() - Creates a dictionary.
2. float() - Converts a value to a floating-point number.
3. id()- Returns memory location id
4. input() - Reads a line of input from the user.
5. list() - Creates a list.
6. len() -  Returns the length of argument
7. max()- Returns the maximum value from the list
8. print() - Prints to the standard output device.
9. range() - Returns a sequence of numbers.
10. reversed() - Returns a reversed iterator.
11. round()- Returns nearest whole number. 
12. set() - Creates a set.
13. str() - Converts a value to a string
14. title()- convert into Title Case
15. tuple() - Creates a tuple.
16. type() - Returns the type of an object.

Data Type

to check data type of variable X

print(type(X))

Methods for list

Nested List:

.append():add element at the end

.count(): return the number of provided element

.insert(): add new element at provided index

.pop():remove the ele of given index

.reverse(): reverse the arrangement order

.remove(): remove first occured ele i.e. provided

.sort(): rearrange the elements in assending order

String

it has list of letters, ni=umbers, and symbols too

List

Libarary

Tuple

Methods

.count() return the number of given ele

.index(): return the index of given ele

Random

Set

Methods

.add(): its same like append for list

.clear(): delete all ele and makes empty set

.discard(): delete if ele is member

.remove(): delete provided ele

.pop(): delete and return random ele

del set(): delet the exixtence of given set

set1.union(set2)  or  set1|set2

set1.intersection(set2)  set1 & set2

set1.difference(set2)  set1-set2

set1.symmetric_difference(set2)  set1^set2

set1.symmetric_difference_update(set1)

set1.issubset(set2)    set1<=set2

set1.issupperset(set2)    set1>=set2

Statastices

Can be used to find mean, median mode and analyse data more