To understand this example, you should have the knowledge of the following Python programming topics: Python Operators Python Functions Python Function Arguments Python User-defined FunctionsExample: Simple Calculator by Using Functions # This function adds two numbers def add(x, y): return x + y ...
defadd(x,y):returnx+ydefsub(x,y):returnx-ydefmult(x,y):returnx*ydefcalculator(opcode):ifopcode==1:returnaddelifopcode==2:returnsubelse:returnmultmy_calc=calculator(2)#mycalcisasubtractormy_calc(5,4)#returns5-4=1my_calc=calculator(9)#mycalcisnowamultipliermy_calc(5,4)#returns5x4=...
def calculator(opcode): if opcode == 1: return add elif opcode == 2: return sub else: return mult my_calc = calculator(2) #my calc is a subtractor my_calc(5, 4) #returns 5 - 4 = 1 my_calc = calculator(9) #my calc is now a multiplier my_calc(5, 4) #returns 5 x 4 =...
returnx * y defcalculator(opcode): ifopcode ==1: returnadd elifopcode ==2: returnsub else: returnmult my_calc = calculator(2)#my calc is a subtractor my_calc(5,4)#returns 5 - 4 = 1 my_calc = calculator(9)#my calc is now a multi...
Learn object-oriented programming (OOP) in Python by creating a calculator class that provides methods for basic arithmetic operations. Add, subtract, multiply, and divide numbers using the calculator class. Practice exercises and solutions are included.
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Python Code: frommathimportsqrtprint('Pythagorean theorem calculator! Calculate your triangle sides.')print('Assume the sides are a, b, c and c is the hypotenuse (the side opposite the right angle')formula=input('Which side (a, b, c) do you wish to calculate? side> ')ifformula=='c...
Nouns vs. verbs in programming (10 minutes) Presentation: What are functions? Q&A Writing simple functions (20 minutes) Presentation: Writing simple functions Exercise: calculator Q&A Arguments and parameters (25 minutes) Presentation: Arguments and parameters Exercise: mysum Q&A 5-minute ...
1.1.1 Why Python for Economists? 1.1.2 Setup the Python 1.1.3 Resources 1.1.4 “Hello world!” 1.2 Basics of Math and Variables 1.2.1 Python Calculator 1.2.2 Variables 1.2.3 Numbers and Characters 1.3 Built-in Functions and Modules ...
面向对象编程(Object-Oriented Programming,OOP)是一种程序设计范式,它以对象为中心,将数据和操作数据的方法(函数)组合到一个单元中,这个单元就是对象。每个对象都是类的一个实例,而类则定义了对象的属性(数据)和方法(代码)。换句话说,面向对象编程将现实世界中的实体抽象为程序中的对象,这些对象可以相互交互、传递...