Lecture 0 python basic (ewurc)

Mar 16, 2018Download as pptx, pdf

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This document provides an introduction to Python programming, covering installation, writing "Hello World" as a first program, variables and data types, input/output, formatting output, and problem sets for practice. Key topics include using Python IDLE to create and run Python files, printing and taking user input, naming conventions, type casting, built-in functions, and online Python resources for learning. The goal is to teach Python basics like strings, integers, floats, Booleans, comments, and formatted output.

Topic
• Installation
• Hello World
• Input/ Output
• Variable (+Naming Convention)
• Data Type
• Type Casting
• Built in Function
• Problem Set 0: Basic (6)

Create First Python Program File
• Python IDLE
• File -> New File -> Save (/Save As) -> Hello.py
• Write Python Program
• Run -> Run Module (F5)

Write First Python Program
print("Hello World")

Comment
• # Single Line Comment
•
"""
Multi
Line
Comment
"""

First Python Program Modified
# First Python Program
# Program Name: Hello World
# Author Name: Mun Al Mamun
# A Program to Print a text
print("Hello World")

Input/ Output 1
# input a String
name = input()
print(name)

Input/ Output 1 (Con.)[Display Message 1]
#input a String
print("Input Your Name")
name = input()
print(name)

Input/ Output 1 (Con.)[Display Message 2]
#input a String
name = input("Input Your Name: ")
print(name)

Input/ Output 1 (Con.)[Data Type]
#input a String
name = input("Input Your Name: ")
print(name)
print(type(name))

Input Your Name
# input a String
#print("Input Your Name")
name = input("Input Your Name: ")
#name = input()
print(name)
#print(type(name))

Variable (+ Naming Convention) The Rules
• https://www.python.org/dev/peps/pep-0008/#naming-conventions
• lowercase_underscore for functions, methods, attributes, variables
• lowercase_underscore or ALL_CAPS for constants
• PascalCase for classes
• camelCase only to conform to pre-existing conventions
• _underscore for non-public methods and instance variables

Input an Integer Number
age = input()
print(age)

Input an Integer Number [2]
age = input()
print(age)
print(type(age))
• All Input is String in Python
• We have to Type Cast to convert String into Integer.

Input an Integer Number [3 (no way)]
age = input()
print(type(age))
print(age)
age = int(age)
print(age)
print(type(age))

Input an Integer Number [3] [Final]
age = int(input())
print(type(age))
print(age)
print(type(age))

Input an Float Number
cgpa = input()
print(cgpa)
print(type(cgpa))

Input an Float Number [1 (no way)]
cgpa = input()
print(type(cgpa))
cgpa = float(cgpa)
print(cgpa)
print(type(cgpa))

Input an Float Number [2] [Final]
cgpa = float(input())
print(type(cgpa))
print(cgpa)
print(type(cgpa))

Are you a liar? [1]
you = True
print(you)
print(type(you))

Are you a liar? [2]
you = False
print(you)
print(type(you))

Formatted I/O
#Input Name with Formatted Output
name = input("What is Your Name: ")
print("Hello, ",name)
#Input Age with Formatted Output
age = int(input("What is Your Age: "))
print("Your age is: ",age)
#Input CGPA with Formatted Output
cgpa = float(input("What is Your CGPA: "))
print("Your CGPA is ",cgpa)

Formatted I/O
#Input Name with Formatted Output
name = input("What is Your Name: ")
print("Hello, ",name)
print("Hello, ",name, "nHow are You?")
print("Hello, {}".format(name))
print(f"Hello, {name}")

Data Type
• str (String)
• int (Integer)
• float (Float)
• bool (Boolean)
• None (NoneType)

Built-in Function
• print()
• input()
• type()
• int()
• float()
• https://docs.python.org/3.6/library/functions.html

Problem Set 0: Basic (6)
• Hello World.
• IO Your Name.
• IO your Age.
• IO your CGPA.
• Are you a liar? (Boolean)
• Formatted I/O. (String + Numeric) [for Problem 2,3,4]

Online Resourse
• python.org -> Docs -> Tutorial
• YouTube
• Python Tutorials -> Corey Schafer
• Python Beginners Tutorials -> Mahmud Ahsan : Thinkdiff
• Learn Python Programming -> Clever Programmer
• Python 3.5 Basic (Bangla) -> Vubon Roy
• Python Tutorials for Absolute Beginners by CS Dojo -> CS Dojo

Prepared by
Mun Al Mamun
President
East West University Robotics Club
munewu@gmail.com
T h i s s l i d e i s p r o v i d e a s a c o u r s e
m a t e r i a l i n t h e w o r k s h o p
“ W o r k s h o p O n P y t h o n P r o g r a m m i n g ”
O r g a n i z e d b y
E a s t W e s t U n i v e r s i t y R o b o t i c s C l u b

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Lecture 0 python basic (ewurc)

2. Python Lecture 0 Problem Set 0: Basic

3. Topic • Installation • Hello World • Input/ Output • Variable (+Naming Convention) • Data Type • Type Casting • Built in Function • Problem Set 0: Basic (6)

5. Create First Python Program File • Python IDLE • File -> New File -> Save (/Save As) -> Hello.py • Write Python Program • Run -> Run Module (F5)

6. Write First Python Program print("Hello World")

7. Comment • # Single Line Comment • """ Multi Line Comment """

8. First Python Program Modified # First Python Program # Program Name: Hello World # Author Name: Mun Al Mamun # A Program to Print a text print("Hello World")

9. Input/ Output 1 # input a String name = input() print(name)

10. Input/ Output 1 (Con.)[Display Message 1] #input a String print("Input Your Name") name = input() print(name)

11. Input/ Output 1 (Con.)[Display Message 2] #input a String name = input("Input Your Name: ") print(name)

12. Input/ Output 1 (Con.)[Data Type] #input a String name = input("Input Your Name: ") print(name) print(type(name))

13. Input Your Name # input a String #print("Input Your Name") name = input("Input Your Name: ") #name = input() print(name) #print(type(name))

14. Variable (+ Naming Convention) The Rules • https://www.python.org/dev/peps/pep-0008/#naming-conventions • lowercase_underscore for functions, methods, attributes, variables • lowercase_underscore or ALL_CAPS for constants • PascalCase for classes • camelCase only to conform to pre-existing conventions • _underscore for non-public methods and instance variables

15. Input an Integer Number age = input() print(age)

16. Input an Integer Number [2] age = input() print(age) print(type(age)) • All Input is String in Python • We have to Type Cast to convert String into Integer.

17. Input an Integer Number [3 (no way)] age = input() print(type(age)) print(age) age = int(age) print(age) print(type(age))

18. Input an Integer Number [3] [Final] age = int(input()) print(type(age)) print(age) print(type(age))

19. Input an Float Number cgpa = input() print(cgpa) print(type(cgpa))

20. Input an Float Number [1 (no way)] cgpa = input() print(type(cgpa)) cgpa = float(cgpa) print(cgpa) print(type(cgpa))

21. Input an Float Number [2] [Final] cgpa = float(input()) print(type(cgpa)) print(cgpa) print(type(cgpa))

22. Are you a liar? [1] you = True print(you) print(type(you))

23. Are you a liar? [2] you = False print(you) print(type(you))

24. Formatted I/O #Input Name with Formatted Output name = input("What is Your Name: ") print("Hello, ",name) #Input Age with Formatted Output age = int(input("What is Your Age: ")) print("Your age is: ",age) #Input CGPA with Formatted Output cgpa = float(input("What is Your CGPA: ")) print("Your CGPA is ",cgpa)

25. Formatted I/O #Input Name with Formatted Output name = input("What is Your Name: ") print("Hello, ",name) print("Hello, ",name, "nHow are You?") print("Hello, {}".format(name)) print(f"Hello, {name}")

26. Data Type • str (String) • int (Integer) • float (Float) • bool (Boolean) • None (NoneType)

27. Built-in Function • print() • input() • type() • int() • float() • https://docs.python.org/3.6/library/functions.html

28. Problem Set 0: Basic (6) • Hello World. • IO Your Name. • IO your Age. • IO your CGPA. • Are you a liar? (Boolean) • Formatted I/O. (String + Numeric) [for Problem 2,3,4]

29. Online Resourse • python.org -> Docs -> Tutorial • YouTube • Python Tutorials -> Corey Schafer • Python Beginners Tutorials -> Mahmud Ahsan : Thinkdiff • Learn Python Programming -> Clever Programmer • Python 3.5 Basic (Bangla) -> Vubon Roy • Python Tutorials for Absolute Beginners by CS Dojo -> CS Dojo

30. Any Question?

31. Prepared by Mun Al Mamun President East West University Robotics Club [email protected] T h i s s l i d e i s p r o v i d e a s a c o u r s e m a t e r i a l i n t h e w o r k s h o p “ W o r k s h o p O n P y t h o n P r o g r a m m i n g ” O r g a n i z e d b y E a s t W e s t U n i v e r s i t y R o b o t i c s C l u b

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