Day 1 - Python Overview and Basic Programming - Python Programming Camp - One Year Programming.pdf

 Programming Language
 Data Structures
 Algorithms
 Object-Oriented Programming
 Elementary Problem Solving
oneyearprogramming.com OneYearProgramming

PYTHON PROGRAMMING
Chapter 0
Python Overview
6

Topic
• Python Introduction
• What is Python?
• Story of Python
• Why Python
• Use of Python
• Python Download +
Installation
• Online Resource
• First Program - Hello
World
• Comment
• Variable + Data Type
• Variable Naming
Convention
• Input/ Output
• Type Casting
• Built in Function
7

PYTHON PROGRAMMING
Chapter 0
Lecture 0.0
Python Introduction
8

Python – What is?
• High Level
• Interpreted
• Object Oriented
• General Purpose Programming Language
• Dynamic Semantics
9

Python – Story
• Created by Guido van Rossum
10

Python – Story
• The name Python was inspired by the BBC TV show Monty Python's
Flying Circus
11

Python – Story
Flying Circus
• Implementation began in December 1989
• Initial Release (labeled version 0.9.0) => 20 February 1991
• Python 1.0 => January 1994
• Python 2.0 => 16 October 2000
12

Python – Story
Flying Circus
• Implementation began in December 1989
• Initial Release (labeled version 0.9.0) => 20 February 1991
• Python 1.0 => January 1994
• Python 2.0 => 16 October 2000
• Python 3.0 => 3 December 2008
13

Python – Why?
• Easy to learn
• Open source
• One of the most influential programming languages
15

Python - Use
• Education
• Web Development
• Backend Development
• API Development
• Desktop GUI
• Scientific and Numeric
Analysis
• Data Science
• Data Analytics
• Artificial Intelligence
• Machine Learning
• Data Analysis
• Data Visualization
• Automation
16

Python – Download – python.org
17

Python – Installation
18
• Right Click
on the Icon
• Click Open

Python – Installation – Allow User Account Control
21

Python – Installation – Setup Progress
22

Python – Installation – Setup Successful
23

Python – After Installation
24

IDLE Shell Interface – Option – Configure IDLE
26

IDLE Shell Interface – Configure IDLE - Windows
27

IDLE Shell Interface – Configure IDLE - Windows
28

IDLE Shell Interface – Configure IDLE – Shell/Ed
29

IDLE Shell Interface – Configure IDLE – Shell/Ed
30

IDLE – Save a new python file
32

33

34

Online Resource
• python.org => Docs => Tutorial
• Python => Python Manuals => Tutorial
• Python Programming YouTube Playlist
• One Year Programming YouTube Channel
• Lecture Slide PDF
• One Year Programming Facebook Group
35

Any
Question?
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PYTHON PROGRAMMING
Chapter 0
Lecture 0.1.1
Create First Program File, Hello World, Comment
37

Create First Python Program File
• Python IDLE
• File -> New File -> Save (/Save As) -> hello_world.py
• Write Python Program
• Run -> Run Module (/F5)
38

Write First Python Program
print("Hello World")
39

40

41

42

Comment
# Single Line Comment
"""
Multi
Line
Comment
"""
'''
Multi
Line
Comment
'''
44

First Python Program Modified 1
# First Python Program
# Program Name: Hello World
# Author Name: One Year Programming
# A Program to Print a text
45

"""
First Python Program
Program Name: Hello World
Author Name: One Year Programming
A Program to Print a text
"""
46

'''
First Python Program
Program Name: Hello World
Author Name: One Year Programming
A Program to Print a text
'''
47

PYTHON PROGRAMMING
Chapter 0
Lecture 0.1.2
Variable, Data Type, Expression
49

Variable
• Symbolic name to store date in computer program
50

Data Type
• Integer => 0, 2, 20038, -332
• Float => 5.5, 3.1416, -40.56
• String => Hello World, This is 2019
• Boolean => True, False
51

Variable (Integer)
# Integer Variable
my_roll = 50
print(my_roll)
52

Variable (Integer) + Data Type
# Integer Variable with Data Type
my_roll = 50
print(my_roll)
print(type(my_roll))
53

Variable (Float) + Data Type
# Float Variable with Data Type
my_gpa = 4.5
print(my_gpa)
print(type(my_gpa))
54

Variable (String) + Data Type
# String Variable with Data Type
name = "One Year Programming"
print(name)
print(type(name))
55

Variable (Boolean) + Data Type
# Boolean Variable with Data Type
test = True
print(test)
print(type(test))
56

Variable (Boolean) + Data Type [2]
# Boolean Variable with Data Type
test = False
print(test)
print(type(test))
57

NoneType
# NoneType Variable with Data Type
value = None
print(value)
print(type(value))
58

Data Type
• str (String)
• int (Integer)
• float (Float)
• bool (Boolean)
• None (NoneType)
59

Variable Naming Convention
• Must begin with a letter (a - z, A - Z) or underscore (_)
• Other characters can be letters, numbers or _
• Variable names are case-sensitive
• Variables should be all lowercase
• Words in a variable name should be separated by an underscore
• Don't start name with a digit.
• Never use special symbols like !, @, #, $, %
• Reserved words cannot be used as a variable
https://visualgit.readthedocs.io/en/latest/pages/naming_convention.html
60

Practice Problem 0.1
1. Declare a Integer variable and print value with data type
2. Declare a Float variable and print value with data type
3. Declare a String variable and print value with data type
4. Declare a Boolean variable and print value with data type
5. Declare a NoneType variable and print value with data type
61

PYTHON PROGRAMMING
Chapter 0
Lecture 0.2.1
Input Output (String)
63

Input/Output 1
# input a String
name = input()
print(name)
64

Input/Output 1 (Con.)[Display Message 1]
#input a String
print("Input Your Name")
name = input()
print(name)
65

Input/Output 1 (Con.)[Display Message 2]
#input a String
name = input("Input Your Name: ")
print(name)
66

Input/Output + Data Type
#input a String
print(name)
print(type(name))
67

Input Your Name
# Solution 1:
# input a String and Display the
String
name = input()
print(name)
# Solution 2:
# input a String with Message in
print()
print("Input Your Name")
name = input()
print(name)
# Solution 3:
# input a String with Message in
input()
print(name)
# Solution 4:
#input a String and Know Datatype
print(name)
print(type(name))
69

1. Input your Name and print the value
2. Input your Name with a massage and print the value
3. Input your Name with a massage in input() function and
print the value
4. Input your Name with a massage in input() function and
print the value with data type
71

PYTHON PROGRAMMING
Chapter 0
Lecture 0.2.2
Input Output (Number)
73

Input an Integer Number
age = input()
print(age)
74

Input an Integer Number [Con.][Data Type]
age = input()
print(age)
print(type(age))
• All Input is String in Python
• We have to Type Cast to convert String into
Integer.
75

Input an Integer Number (*)
age = input()
print(age)
print(type(age))
# Type Cast to Integer Number
age = int(age)
print(age)
print(type(age))
76

Input an Integer Number [Final]
age = int(input())
print(age)
print(type(age))
77

Input an Float Number
gpa = input()
print(gpa)
print(type(gpa))
78

Input an Float Number (*)
gpa = input()
print(gpa)
print(type(gpa))
# Type Cast to Float Number
gpa = float(gpa)
print(gpa)
print(type(gpa))
79

Input an Float Number [Final]
gpa = float(input())
print(gpa)
print(type(gpa))
80

Built-in Function
• print()
• input()
• type()
• int()
• float()
81

Built-in Function
source: https://docs.python.org/3.11/library/functions.html
82

1. Input your age and print data with type (Be sure about
type conversion to integer)
2. Input your gpa and print data with type (Be sure about
type conversion to float)
83

PYTHON PROGRAMMING
Chapter 0
Lecture 0.2.3
Formatted Input Output
85

Formatted I/O
name = input("What is Your Name: ")
print("Hello,", name)
roll = int(input("What is Your Roll: "))
print("Your roll is:", roll)
gpa = float(input("What is Your GPA: "))
print("Your GPA is", gpa)
86

Formatted I/O 2
roll = int(input("What is Your Roll: "))
gpa = float(input("What is Your GPA: "))
print(name, roll, gpa)
print(name, roll, gpa, sep=",")
87

Formatted I/O 3
#Input Name with Formatted Output
print("Hello,",name)
print("Hello,", name, "How are You", name, "?")
print("Hello,", name, "nHow are You", name, "?")
print("Hello, {}nHow are You {}?".format(name,name))
print(f"Hello, {name}nHow are You {name}?")
88

PYTHON PROGRAMMING
Chapter 1
Basic Programming
91

Topic
• Operator
• Arithmetic Operation
• Assignment Operation
• Arithmetic Operation Example
• More Built in Function Example
• Math Module Example
92

Operator in Python
• Operators are special symbols in that carry out arithmetic or logical
computation.
• The value that the operator operates on is called the operand.
• Type of Operator in Python
• Arithmetic operators
• Assignment operators
• Comparison operators
• Logical operators
• Bitwise operators
• Identity operators
• Membership operators
93

PYTHON PROGRAMMING
Chapter 1
Lecture 1.1.0
Basic Arithmetic Operator
94

Arithmetic Operator in Python
Operation Operator
Addition +
Subtraction -
Multiplication *
Division /
Modulo %
Floor Division //
Exponentiation **
95

Assignment Operator in Python
Operation Operator
Assign =
Add AND Assign +=
Subtract AND Assign -=
Multiply AND Assign *=
Divide AND Assign /=
Modulus AND Assign %=
Exponent AND Assign **=
Floor Division Assign //=
Note: Logical and Bitwise Operator can be used with assignment.
96

Summation of two number
a = 5
b = 4
summation = a + b
print(summation)
97

Summation of two number – User Input
a = int(input())
b = int(input())
summation = a + b
print(summation)
98

Difference of two number
a = int(input())
b = int(input())
difference = a - b
print(difference)
99

Product of two number
a = int(input())
b = int(input())
product = a * b
print(product)
100

Quotient of two number
a = int(input())
b = int(input())
quotient = a / b
print(quotient)
101

Reminder of two number
a = int(input())
b = int(input())
reminder = a % b
print(reminder)
102

• Input two Number form User and calculate the followings:
1. Summation of two number
2. Difference of two number
3. Product of two number
4. Quotient of two number
5. Reminder of two number
103

PYTHON PROGRAMMING
Chapter 1
Lecture 1.1.1
More Arithmetic Operator
105

Floor Division
a = int(input())
b = int(input())
floor_div = a // b
print(floor_div)
a = float(input())
b = float(input())
floor_div = a // b
print(floor_div)
a = 5
b = 2
quo = a/b
= 5/2
= 2.5
quo = floor(a/b)
= floor(5/2)
= floor(2.5)
= 2
106

Floor Function
import math
print("Floor")
print(math.floor(5.6))
import math
print("Floor")
print(math.floor(-5.6))
107

Floor Function: Solution
import math
print("Floor")
print(math.floor(5.6))=>5
import math
print("Floor")
print(math.floor(-5.6))=>-6
108

Ceil Function
import math
print("Ceil")
print(math.ceil(5.6))
import math
print("Ceil")
print(math.ceil(-5.6))
109

Ceil Function: Solution
import math
print("Ceil")
print(math.ceil(5.6))=>6
import math
print("Ceil")
print(math.ceil(-5.6))=>-5
110

Round Function
print("Round")
print(round(5.6))
print(round(5.0))
print(round(5.2))
print(round(5.5))
print("Round")
print(round(-5.6))
print(round(-5.0))
print(round(-5.2))
print(round(-5.5))
111

Round Function: Solution
print("Round")
print(round(5.6))=>6
print("Round")
print(round(-5.6))=>-6
112

Find Exponent (a^b). [1]
a = int(input())
b = int(input())
# Exponent with Arithmetic Operator
# Syntax: base ** exponent
exp = a ** b
print(exp)
113

a = int(input())
b = int(input())
# Exponent with Built-in Function
# Syntax: pow(base, exponent)
exp = pow(a,b)
print(exp)
114

a = int (input())
b = int(input())
# Return Modulo for Exponent with Built-in Function
# Syntax: pow(base, exponent, modulo)
exp = pow(a,b,2)
print(exp)
a = 2
b = 4
ans = (a^b)%6
= (2^4)%6
= 16%6
= 4
115

import math
a = int(input())
b = int(input())
# Using Math Module
exp = math.pow(a,b)
print(exp)
116

Find absolute difference of two number. [1]
a = int(input())
b = int(input())
abs_dif = abs(a - b)
print(abs_dif)
a = 4
b = 2
ans1 = abs(a-b)
= abs(4-2)
= abs(2)
= 2
ans2 = abs(b-a)
= abs(2-4)
= abs(-2)
= 2
117

Find absolute difference of two number. [2]
import math
a = float(input())
b = float(input())
fabs_dif = math.fabs(a - b)
print(fabs_dif)
118

Built-in Function
• abs(x)
• pow(x,y[,z])
• round(x)
• https://docs.python.org/3.11/library/functions.html
119

Math Module
• math.floor(x)
• math.ceil(x)
• math.pow(x, y)
• math.fabs(x)
• https://docs.python.org/3.11/library/math.html
120

• Input two number from user and calculate the followings:
(use necessary date type)
1. Floor Division with Integer Number & Float Number
2. Find Exponential (a^b) using Exponent Operator, Built-in
pow function & Math Module pow function
3. Find Exponent with modulo (a^b%c)
4. Find absolute difference of two number using Built-in
abs function & Math Module fabs function
122

PYTHON PROGRAMMING
Chapter 1
Lecture 1.2
Arithmetic Operation Example
124

Average of three numbers.
a = float(input())
b = float(input())
c = float(input())
sum = a + b + c
avg = sum/3
print(avg)
125

Area of Triangle using Base and Height.
b = float(input())
h = float(input())
area = (1/2) * b * h
print(area)
126

Area of Triangle using Length of 3 sides.
import math
a = float(input())
b = float(input())
c = float(input())
s = (a+b+c) / 2
area = math.sqrt(s*(s-a)*(s-b)*(s-c))
print(area)
𝑎𝑟𝑒𝑎 = 𝑠 ∗ (s−a)∗(s−b)∗(s−c)
𝑠 =
𝑎 + 𝑏 + 𝑐
2
127

Area of Circle using Radius.
r = float(input())
pi = 3.1416
area = pi * r**2
print(area)
𝑎𝑟𝑒𝑎 = 3.1416 ∗ 𝑟2
128

Area of Circle using Radius.
import math
r = float(input())
pi = math.pi
area = pi * r**2
# area = pi * pow(r,2)
# area = pi * math.pow(r,2)
print(area)
129
𝑎𝑟𝑒𝑎 = 3.1416 ∗ 𝑟2

Convert Temperature
𝐶
5
=
𝐹 − 32
9
𝐹 − 32 ∗ 5 = 𝐶 ∗ 9
𝐹 − 32 =
𝐶 ∗ 9
5
𝐹 =
𝐶 ∗ 9
5
+ 32
130

Convert Temperature Celsius to Fahrenheit.
celsius = float(input())
fahrenheit = (celsius*9)/5 + 32
print(fahrenheit)
𝐶
5
=
𝐹 − 32
9
𝐹 − 32 ∗ 5 = 𝐶 ∗ 9
𝐹 − 32 =
𝐶 ∗ 9
5
𝐹 =
𝐶 ∗ 9
5
+ 32
131

Convert Temperature Fahrenheit to Celsius.
fahrenheit = float(input())
celsius = (fahrenheit-32)/9 * 5
print(celsius)
𝐶
5
=
𝐹 − 32
9
𝐶 ∗ 9 = 𝐹 − 32 ∗ 5
𝐶 =
𝐹 − 32 ∗ 5
9
132

Convert Second to HH:MM:SS.
# 1 Hour = 3600 Seconds
# 1 Minute = 60 Seconds
totalSec = int(input())
hour = int(totalSec/3600)
min_sec = int(totalSec%3600)
minute = int(min_sec/60)
second = int(min_sec%60)
#print("{}H {}M
{}S".format(hour,minute,second))
print(f"{hour}H {minute}M {second}S")
# 1 Hour = 3600 Seconds
# 1 Minute = 60 Seconds
totalSec = int(input())
hour = totalSec//3600
min_sec = totalSec%3600
minute = min_sec//60
second = min_sec%60
#print("{}H {}M
{}S".format(hour,minute,second))
print(f"{hour}H {minute}M {second}S")
133

Math Module
• math.sqrt(x)
• math.pi
• https://docs.python.org/3.11/library/math.html
134

1. Average of three numbers.
2. Area of Triangle using Base and Height.
3. Area of Triangle using Length of 3 sides.
4. Area of Circle using Radius.
5. Convert Second to HH:MM:SS.
6. Temperature Conversion
1. Celsius (°C) ⇔ Fahrenheit (°F)
2. Celsius (°C) ⇔ Kelvin (K)
3. Fahrenheit (°F) ⇔ Kelvin (K)
135
𝐶
5
=
𝐹 − 32
9
𝐾 = 𝐶 + 273.15

Practice Problem 1.4 Unit Conversion
• Weight
• Pound
• Kilogram
• Gram
• Carat
• Ounce
• Area
• Foot^2
• Meter^2
• Inch^2
• CM^2
• Mile^2
• KM^2
• Acre
• Hectare
• Length
• Mile
• Kilometer
• Meter
• Yard
• Foot
• Centimeter
• Inch
• Volume
• Inch^3
• CM^3
• Foot^3
• Metre^3
• Yard^3
• Gallon
• Liter
• Currency
• Time

End of
Day 1
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