Data science Data science: is the field of study that combines domain expertise, programming skills, and knowledge of mathematics and statistics to extract meaningful insights from ocean of data. Web scraping can be a solution to speed up the data collection process. Instead of looking at the job site every day, you can use Python […]
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Multilevel, Hierarchical and Hybrid Inheritance Multi-Level Inheritance in Python #Multilevel Inheritance in Python class India: def first(self): print (‘India is the largest democratic country in the world’) class Karnataka(India): def sec(self): print (‘Karnataka is famous for IT and Coffee Production’) class Bengaluru(Karnataka): def third(self): print (‘Bengaluru also known as Garden city!’) b=Bengaluru() b.first() b.sec() b.third()
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Single and Multiple inheritance in Python 1. Single Inheritance # Single Inheritance in Python with Student and Marks Details #-Base class class std_per_det: regno = input(“Enter RegNo:”) name = input(“Enter Name:”) course = input(“Enter Course:”) #Base class Method def show_std(self): print(‘Base Class value:’,self.regno) print(‘Base Class value:’,self.name) print(‘Base Class value:’,self.course) #-Derived class class marks_det(std_per_det): p=int(input(“Enter Physics
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pip(Pip Installs Packages): is a command to install various python packages. some of the following pip commands for different packages of python as well as pip upgrade. pip upgrade ———————- python -m pip install –upgrade pip to check pip version ——————————– c:\python34\scripts>pip –version [press enter, shows pip version] to install scipy ———————— c:\python34>pip install scipy
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Python File Handling What is File? The file is a collection of data used in almost all programming languages. Why File Handling? To handle large amounts of data to be stored in computer memory for future reference. What are Modes of File? w = Write / create file a = append / add to
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Python Exception Handling An exception is a problem that arises during the execution of a program. An exception can occur for many different reasons, including the following: A user has entered invalid data. A file that needs to be opened cannot be found. A network connection has been lost in the middle of communications etc.
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Class, Objects, and Methods in Python A class is a template for creating objects or a collection of objects. Objects have member variables and methods associated with them. In python, a class is created by using keyword class. An object is created using the constructor of the class. This object will then be called the
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Collections in Python There are four collection data types in the Python language: List: A list is a data structure in Python that is a mutable, or changeable, ordered sequence of elements. Tuple: A tuple is a sequence of unchangeable Python objects. Set: A Set is an unordered collection data type that is iterable, changeable, and has no
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# Built-in functions in Python [importing math package] import math x=int(input(“Enter any number:”)) print(“Square root of {0} is {1}”.format(x,math.sqrt(x))) print(“Square of {0} is {1}”.format(x, x*x)) print(“Cube of {0} is {1}”.format(x, x*x*x)) OutPut: Enter any number:5 Square root of 5 is 2.23606797749979 Square of 5 is 25 Cube of 5 is 125 User-defined functions def
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Basic Python Programs for Beginners – Part 2 # program to display employee salary information name=input(“Enter Name:”) dept=input(“Enter Department:”) basic=int(input(“Enter Basic salary:”)) bonus=basic*(5/100) pf=basic*(10/100) net=basic+bonus-pf print(“Employee Details”) print(“—————————–“) print(“Name=”, name) print(“Basic=”, basic) print(“Bonus=”, bonus) print(“Provident Fund=”, pf) print(“Net salary=”, net) OUTPUT: Enter Name:Ganesh Enter Department:Finance Enter Basic salary:25000 Employee Details —————————– Name= Ganesh Basic= 25000
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Basic Python Programs for Beginners – Part 1 Watch This Video session for How to Run your First Python Program # Sum of two numbers program on python a=int(input(“Enter Num1:”)) b=int(input(“Enter Num2:”)) c=a+b print “sum of {0} and {1} is {2}” .format(a,b,c) c=a-b print “subtraction of {0} from {1} is {2}”.format(a,b,c) c=a*b print “muliplication of
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