Ultimate Python Guide

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x = 1           # inty = 2.5         # floatname = 'Amal'   # stringis_cool = True  #booleanmanynames= ['Magdaline','Mary','Jane'] #list mytuple= (1,2,3) #tupplesd={'email':'[email protected]','password':123} # Dictionary s = {1, 2.3}  # set 

name = 'Lilian'age = 20# Concatenate (print Lilian age )print('Hello, my name is ' + name + ' and I am ' + str(age)) #you must cast age int into a stringOutput: Hello, my name is Lilian and I am 20

person={'name': 'Diana', 'age': 20,'city':'Nairobi'}# Get valueprint(person.get('name'))Diana# Add key/valueperson['phone'] = '072-999-3333'person{'name': 'Diana', 'age': 20, 'phone': '072-999-3333'}# Get dict keysprint(person.keys())dict_keys(['name', 'age', 'phone'])# Get dict itemsprint(person.items())dict_items([('name', 'Diana'), ('age', 20), ('phone', '072-999-3333')])## Copy dictperson2 = person.copy()person2['city'] = 'Boston'person2{'name': 'Diana', 'age': 20, 'phone': '072-999-3333', 'city': 'Boston'}#remove a person age del(person['age'])person{'name': 'Diana', 'phone': '072-999-3333'}person.pop('phone')'072-999-3333'# Get lengthprint(len(person2))4# List of dict, like array of objects in javascriptpeople = [    {'name': 'Diana', 'age': 20},    {'name': 'James', 'age': 25}]people[{'name': 'Diana', 'age': 20}, {'name': 'James', 'age': 25}]

x = 15y = 14if x > y:  print(f'{x} is greater than {y}')else:  print(f'{y} is greater than {x}') 15 is greater than 14# elifif x > y:  print(f'{x} is greater than {y}')elif x == y:  print(f'{x} is equal to {y}')  else:  print(f'{y} is greater than {x}')15 is greater than 14

#function to  square a numberdef square(num):    #return num**2    print(num**2)square(10)100

# Core modulesimport datetimefrom datetime import dateimport timefrom time import time# Pip moduleimport pandas as pdimport numpy as np# Import custom module# today = datetime.date.today()today = date.today()timestamp = time()todaydatetime.date(2022, 2, 19)

# This function adds two numbersdef add(x, y):    return x + y# This function subtracts two numbersdef subtract(x, y):    return x - y# This function multiplies two numbersdef multiply(x, y):    return x * y# This function divides two numbersdef divide(x, y):    return x / y

def fibonacciSequence():    numberOfTerms = int(input("Hi, enter number of terms to for the Sequence: "))    # Defining the first two terms that are mandatory        # Normally, 0 and 1 are the first and second terms of the series, hence:    firstNum = 0    secondNum = 1    count = 0    # Ensuring the user enters valid inputs, i.e., Fibonacci sequence starts from 0    if (numberOfTerms <= 0):        print("Invalid entry, please enter value more than 0")    elif(numberOfTerms == 1):            print("Generating Fibonacci Sequence upto ", numberOfTerms, ": ")            print(firstNum)    # For all other cases, i.e., when NumberOfTerms > 1    else:        print("Generating Fibonacci sequence upto ", numberOfTerms, ": ")        while count < numberOfTerms:            print(firstNum)            nthNumber = firstNum + secondNum        #  Swapping the values for firstNum and secondNum            firstNum = secondNum            secondNum = nthNumber            count += 1# Call the functionfibonacciSequence()