INTRODUCTION TO PYTHON
TEAM MEMBERS:SATYA PRIYA, ANJANA MOHANTY, RIDHIMA, VARSHINI
PYTHON
PYTHON is a popular programming language and it is a software which is open source. Python is commonly used for developing websites and software, task automation, data analysis, and data visualisation. Since it’s relatively easy to learn, Python has been adopted by many non-programmers, such as accountants and scientists, for a variety of everyday tasks, like organising finances.
DATA TYPES
A program deals with 3 types of data: integer(int) examples: ATM pin no. , aadhar card no. , phone number, etc. float(float) examples: percentage, height, weight, etc. string(str) examples: email id, password, name, etc.
TOKENS
A token is the smallest individual unit in a python program. It includes 5 types, they are: 1. keywords 2. identifiers 3. punctuators 4. literals 5. operators
KEYWORDS
Python reserves a certain set of keywords for various internal operations. These words are also known as Python Keywords.
Identifiers
Identifier is the name we give to identify a variable, function, class, module or other object. examples: Valid Identifiers Invalid Identifiers
score @core
Else else highest_score highest score
name1 1name
PUNCTUATORS
These are the symbols that used in Python to organize the structures, statements, and expressions. Examples of punctuators in python: ‘, “, #, \, /, ( ), [ ], { }, @, ;, :, . Etc.
LITERALS
They are the values given to the variables. Integer Literals: ex: a=50 , b=10 Float Literals: ex: a= 24.8 , b= 30.0 String Literals: ex: a="hello" , b="ram"
OPERATORS
Operators are used to perform operations on variables and values.Python divides the operators in the following groups: 1. Arithematic operators 2. Relational operators 3. Logical operators 4. Membership operators 5. Identity operators
ARITHEMATIC OPERATORS
EXAMPLES OF ARITHEMATIC OPERATORS
a = 9
b = 4 print( a + b)print (a - b) print(a * b) print(a % b) print(a ** b) Output:
13
5
36
1
6561
RELATIONAL OPERATORS
EXAMPLES OF RELATIONAL OPERATORS
Examples of Relational Operators:a = 13 b = 33 print(a > b) print(a == b) print(a <= b) Output False False True True
LOGICAL OPERATORS
EXAMPLES OF LOGICAL OPERATORS
x = 5
print(x > 3 and x < 10) print(x > 10 or x < 4) print(x!=5) OUTPUT: True False False
MEMBERSHIP OPERATORS
EXAMPLES OF MEMBERSHIP OPERATORS
x = ["apple", "banana"]
print("banana" in x) print("pineapple" not in x) output: True True
IDENTITY OPERATORS
EXAMPLES OF IDENTITY OPERATORS
x = ["apple", "banana"]
y = ["apple", "banana"]
z = x
print(x is z)
print(x is not z) Output: True False
QUESTIONS:
THANK YOU
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Transcript
INTRODUCTION TO PYTHON
TEAM MEMBERS:SATYA PRIYA, ANJANA MOHANTY, RIDHIMA, VARSHINI
PYTHON
PYTHON is a popular programming language and it is a software which is open source. Python is commonly used for developing websites and software, task automation, data analysis, and data visualisation. Since it’s relatively easy to learn, Python has been adopted by many non-programmers, such as accountants and scientists, for a variety of everyday tasks, like organising finances.
DATA TYPES
A program deals with 3 types of data: integer(int) examples: ATM pin no. , aadhar card no. , phone number, etc. float(float) examples: percentage, height, weight, etc. string(str) examples: email id, password, name, etc.
TOKENS
A token is the smallest individual unit in a python program. It includes 5 types, they are: 1. keywords 2. identifiers 3. punctuators 4. literals 5. operators
KEYWORDS
Python reserves a certain set of keywords for various internal operations. These words are also known as Python Keywords.
Identifiers
Identifier is the name we give to identify a variable, function, class, module or other object. examples: Valid Identifiers Invalid Identifiers score @core Else else highest_score highest score name1 1name
PUNCTUATORS
These are the symbols that used in Python to organize the structures, statements, and expressions. Examples of punctuators in python: ‘, “, #, \, /, ( ), [ ], { }, @, ;, :, . Etc.
LITERALS
They are the values given to the variables. Integer Literals: ex: a=50 , b=10 Float Literals: ex: a= 24.8 , b= 30.0 String Literals: ex: a="hello" , b="ram"
OPERATORS
Operators are used to perform operations on variables and values.Python divides the operators in the following groups: 1. Arithematic operators 2. Relational operators 3. Logical operators 4. Membership operators 5. Identity operators
ARITHEMATIC OPERATORS
EXAMPLES OF ARITHEMATIC OPERATORS
a = 9 b = 4 print( a + b)print (a - b) print(a * b) print(a % b) print(a ** b) Output: 13 5 36 1 6561
RELATIONAL OPERATORS
EXAMPLES OF RELATIONAL OPERATORS
Examples of Relational Operators:a = 13 b = 33 print(a > b) print(a == b) print(a <= b) Output False False True True
LOGICAL OPERATORS
EXAMPLES OF LOGICAL OPERATORS
x = 5 print(x > 3 and x < 10) print(x > 10 or x < 4) print(x!=5) OUTPUT: True False False
MEMBERSHIP OPERATORS
EXAMPLES OF MEMBERSHIP OPERATORS
x = ["apple", "banana"] print("banana" in x) print("pineapple" not in x) output: True True
IDENTITY OPERATORS
EXAMPLES OF IDENTITY OPERATORS
x = ["apple", "banana"] y = ["apple", "banana"] z = x print(x is z) print(x is not z) Output: True False
QUESTIONS:
THANK YOU