Python Programming Full Course || Beginner to Intermediate || Bangla (বাংলা) || codinglaugh

codinglaugh
l e a r n s o m e t h i n g
e v e r y d a y

Marjuk Ahmed Siddiki
Computer Science and Engineering

Python was conceived in the late 1980s
Implementation began in December 1989
First released on February 20, 1991
Python Programming Language
Guido van
Rossum
31 January 1956 (age
64)
He is currently leading the development of
Python. He has been honored as the lifelong
director of Python.
 interpreted
 high-level
 Object-oriented
 Structured
Web application:
 Django
 Flask
 Falcon
GUI:
 PyOt
 Tkinter
 Kivy
Data Science, Machine Learning and
Image processing:
 Scikit-learn
 Pandas
 Numpy
“Monty Python’s Flying Circus”

Version of Python Programming Language
Python
1.X
2.X
3.X
First Release (1.0) – January 1994
Last Release (1.6) – September 2000
First Release (0.9.0) – February 1991
First Release (2.0) – October 2000
Last Release (2.7.18) – April 2020
First Release (3.0) – December 2008
Last Release (3.8.5) – July 2020
Data collected date: 08/08/2020

Python 2.X vs 3.X
2.X 3.X
Division – integer or
decimal no
Division – decimal no
Comprehension – change
value
print(“ ”) or print “
”
print(“ ”)
Comprehension – not
change value
Not compatible - libraries Compatible - libraries
ASCII Code Unicode

IDE – Integrated Development Environment
Compiler
Auto
Completion
Syntax
Highlight
Debugger
Code
Editor

print() - function
Object, no limitation.
Value
01
Separate between values and string inserted
between values. [Default = Space]
Sep
02
String appended after the last value.
[Default = new line]
End
03
Output of files data as a read or write.
[Default = sys.stdout]
File
04
Handle file buffering.
[Default = False]
Flush
05
print()
Output

print() - multiple arguments
Pass values as parameters
01
Use string formatting
02
Pass values as a tuple
03
Sequential formatting pass value
2.1
Formatting the number
2.2
Formatting with explicit names
2.3
Pass values as a dictionary
04
print()
Output

Variable
Rules for variables
cannot start with a number
2
alpha-numeric characters and underscores
(a-z), (A-Z), (0-9), ( _ )
3
case-sensitive
4
start with a letter or the underscore
1

Variable Assign Value
Declare value in single variable
1
Different values to multiple variables in one line
4
Same value to multiple variables in one line
5
Different values to one variable
2
Concatenate variables
3
Global Variables Local Variables
Delete a variable
6

input() - function
Typecasting the input
4
Multiple inputs in one line
5
Gets a string from the user
3
Input type → keyboard, mouse or touch
1
Prompt → display message
2

Ternary
Operator
Operators
Arithmetic
Operators
Identity
Operators
Logical
Operators
Assignment
Operators
Membership
Operators
Comparison
Operators
Bitwise
Operators

Arithmetic Operators
Addition (+)
1
Division – float (/)
4
Division – floor (//)
5
Subtraction (-)
2
Multiplication (*)
3
Modulus (%)
6
Power (**)
7

Comparison / Relation Operators
Equal (==)
1
Less than (<)
4
Greater than or
equal to (>=)
5
Not Equal (!=)
2
Greater than (>)
3
Less than or
equal to (<=)
6

Logical Operators
AND (and)
1
OR (or)
2
NOT (not)
3

Membership Operators
in
1
not in
2

Identity Operators
is
1
is not
2
n = 5
000011
m = 5

Bitwise Operators
Bitwise AND (&)
1
Bitwise XOR (^)
4
Bitwise Right Shift (>>)
5
Bitwise OR ( | )
2
Bitwise NOT (~)
3
Bitwise Left Shift (<<)
6

Assignment Operators
Assigns value (=)
1
Multiply Equal (*=)
4
Modulus Equal (%=)
7
Add Equal (+=)
2
Subtract Equal (-=)
3
Exponent Equal (**=)
8
Floor Division Equal (//=)
6
Divide Equal (/=)
5
Bitwise OR Equal (|=)
10
Bitwise AND Equal (&=)
9
Bitwise Right Shift Equal (>>=)
12
Bitwise XOR Equal (^=)
11
Bitwise Left Shift Equal (>>=)
13

Home Work (assignment operators)
Bitwise OR Equal (|=)
10
Bitwise AND Equal (&=)
9
Bitwise Right Shift Equal (>>=)
12
Bitwise XOR Equal (^=)
11
Bitwise Left Shift Equal (>>=)
13
A = 30
B = 13

Flow Control / Decision Making
if
1
else
2
elif
3
Nested if
4
while loop
5
continue
7
break
8
pass
9
for loop
6

Symbols Used In Flowchart
flow line
start/stop
input/output
processing
decision

If - statement
#------code------
if condition:
#condition is true
#write your code
#------code------
condition
Code after
statement
Body of if
statement
tru
e
fals
e

else - statement
#------code------
if condition:
#condition is true
#write your code
else:
#condition is false
#write your code
#------code------
condition
Code after
statement
Body of if
statement
tru
e
fals
e
Body of else
statement

elif / multiple - statement
#------code------
if condition:
#condition is true
#write your code
elif condition:
#condition is true
#write your code
else:
#condition is false
#write your code
#------code------
condition
Code after
statement
Body of if
statement
tru
e
fals
e
Body of elif
statement
Body of else
statement
condition
tru
e
fals
e

Nested if - statement
condition
Code after
statement
Body of else
statement
fals
e
tru
e
Body of else
statement
Body of if
statement
condition
fals
e
tru
e
#------code------
if condition:
#condition is true
#write your code
if condition:
#condition is true
#write your code
else:
#condition is false
#write your code
else:
#condition is false
#write your code
#------code------

While - loop
#------code------
while condition:
#condition is true
#write your code
#------code------
condition
Code after
statement
tru
e
fals
e
Infinite loop
1
Nested loop
2
Else block
3
Body of while
statement

for - loop
#------code------
for variable in sequence:
#item reached
#write your code
#------code------
Last item
Reached
?
Code after
statement
tru
e
fals
e
range()
1
Nested loop
2
Else block
3
Body of for
statement

break – continue – pass
if – elif – else
1
while loop
2
for loop
3

Data Types
None
Number
String
List
Tuple
Set
Dictionary
Boolean

Number
int
1
float
2
complex
3

String
Multi-line
1
Positive index
2
Negative index
3
Range / Slice
4
Change
5
Delete
6
length
8
Membership
9
Concatenation
10
Repetition
11
Relation Operators
12
String Format
13
Loop
7

String - method
capitalize()
1
casefold()
4
lower()
5
join()
6
endswith()
20
startswith()
21
find()
7
rfind()
8
center()
9
ljust()
10
rjust()
11
count()
12
strip()
13
lstrip()
14
rstrip()
15
partition()
18
replace()
23
isnumeric()
27
isalpha()
30
isalnum()
31
isdigit()
28
split()
16
isdecimal()
29
isspace()
32
istitle()
25
isupper()
26
swapcase()
19
title()
2
upper()
3
zfill()
22
islower()
24
splitlines()
17

String - method
maketrans()
1
translate()
2

List
Nested List
2
Positive index
3
Negative index
4
Range / Slice
5
Add / Insert
6
Loop
9
Length
10
Membership
11
Repetition
12
Copy list
13
Constructor
1 Delete
8
Change
7 Concatenation
14

List - method
extend()
2
insert()
3
remove()
4
pop()
5
clear()
6
copy()
9
reverse()
10
sort()
11
sorted()
12
max()
13
append()
1 count()
8
index()
7 min()
14
enumerate()
16
reduce()
17
filter()
18
map()
19
lambda()
20
sum()
15

Tuple
Constructor
1
Tuple magic
2
Nested tuple
3
Positive index
4
Negative index
5
Range / Slice
6
Add / Change / Delete
7
Loop
8
Membership
9
Repetition
10
Concatenation
11

Tuple - Method
len()
1
max()
2
min()
3
sum()
4
sorted()
6
count()
7
index()
5

Dictionary
String key
1
Int key
2
Mixed key
3
Constructor
4
Nested dictionary
6
Pair
5
Accessing
Values
7
Add value
8
Change value
9
Delete value
10
Loop
12
Copy dictionary
11
Membership
13

Dictionary - method
get()
1
pop()
2
popitem()
3
clear()
4
keys()
6
copy()
5
values()
7
items()
8
update()
9
fromkeys()
10
len()
12
setdefault()
11
sorted()
13

Set
Constructor
1
Loop / Access Values
2
Add
3
Delete
4
Union
6
Join
5
Intersection
7
Difference
8
Symmetric Difference
9
Frozenset
10

Set - Method
add()
1
update()
2
pop()
3
remove()
4
discard()
6
clear()
5
union()
7
intersection()
8
intersection_update()
9
difference()
10
symmetric_difference()
12
difference_update()
11
symmetric_difference_
update()
13
isdisjoint()
21
issubset()
19
issuperset()
20
len()
15
min()
17
max()
16
sorted()
18
sum()
14

Function
Arguments
2
Parameters
3
*args
4
Keyword arguments
5
**kwargs
6
Instead of return
9
Recursion
10
Return
1
Pass
8
Default parameter
7

Function
Global variable
2
Local variable
3
Nonlocal variable
4
Nested Function
1

Lambda (anonymous function)
lambda arguments : expression

Modules
User define modules
Built-in modules

Python Programming Full Course || Beginner to Intermediate || Bangla (বাংলা) || codinglaugh

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