Python Class 186 (Missile Speed Calculator) - Kapil

I/P:

print ("** Missile speed calculator **")

print()

MSV = float(input("Please enter the missile speed in Mach: "))

KMV = 1234*MSV

PSV = KMV/60/60

print()

print("The missile travel: %.2f" %PSV,"KM per second speed")

print()

MRV1 = float(input("Please enter the missile range in KM: "))

MRV2 = MRV1/PSV

print()

print("Missile travel",MRV1,"KMs in %.2f" %MRV2, "seconds.")

O/P:

** Missile speed calculator ** Please enter the missile speed in Mach: 8 The missile travel: 2.74 KM per second speed Please enter the missile range in KM: 450 Missile travel 450.0 KMs in 164.10 seconds.

===============================================================

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Python Class 185 (Price-to-Earnings Ratio) - Kapil

 print ("** Price-to-Earnings Ratio **")

#Price per share / Earnings per share = P/E Ratio

PPS = float(input("Please enter price per share: "))

EPS = float(input("Please enter earnings per share: "))

PER = PPS / EPS

print("Price-to-Earnings Ratio is: %.2f" %PER)

===============================================================

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Python Class 184 (List, Operators) - Kapil

my_list1 = ["Kapil", "Apil",0,1,2,3,4]

for my_items in my_list1:

        print(my_items * 2)

        print(my_items, 2*2)

O/P: 

KapilKapil Kapil 4 ApilApil Apil 4 0 0 4 2 1 4 4 2 4 6 3 4 8 4 4

===============================================================

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Python Class 183 (Classification Metrics: Recall) - Kapil

I/P:

print("*** Classification Metrics: Recall ***")

print()

TPV = float(input("Please enter the True Postive value: "))

FNV = float(input("Please enter the False Negative value: "))

print()

RV1 = TPV+FNV

RV2 = TPV/RV1

print()

print("The Recall Value is %2f"%RV2)

#*(Bad) 0 </ Recall </ 1 (Good)

O/P: 

*** Classification Metrics: Recall *** Please enter the True Postive value: 2 Please enter the False Negative value: 8  

The Recall Value is 0.200000 

===============================================================

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Python Class 182 (Money Exchange Rate ) - Kapil

 print("*** Money Exchange Rate Application ***")

# c = a * b

# MER = Money After Exchange / Money Before Exchange

print()

AFE = float(input("Please enter the money amount after exchange: "))

MBE = float(input("Please enter the money amount before exchange: "))

MER = AFE / MBE

print()

print("The money exchange forumla ratio one is: %2f" %MER)

print()

print("Money exchange rate formula two: ")

c = MBE * MER

print("Money exchange amount for received for currency conversion is: %2f" %c)

===============================================================

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Python Class 181 (Gratuity Calculator Application) - Kapil

print ("*** Gratuity Calculator Application ***")

print()

LSD = float(input("Please enter your last drawn salary amomunt for your current company: "))

NYW = float(input("Please enter number of years working in current company: "))

print()

TGA = LSD * (15/26) * NYW

print("The total gratuity amount is: %.2f" %TGA)

===============================================================

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Python Class 180 (Profit calculation on basis of stock dividend ) - Kapil

print ("** Stock dividend - calculator application **")

print()

TNST = float(input("Please enter the count of total number of stocks: "))

ADPO = float(input("Please enter annual dividend payout per annum: "))

CSPP = float(input("Please enter the current stock price: "))

DPAY = (ADPO/CSPP) * 100

print()

print("The annual dividend yield value is: %.2f " %DPAY)

print()

TPSV = ADPO * TNST

print("Total profit due to dividend is: %.2f" %TPSV)

===============================================================

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Python Class 179 (Histogram plotting) - Kapil

 import pandas as pd

import seaborn as sns

import numpy as np

import matplotlib.pyplot as plt

iris = pd.read_csv("iris.csv")

sns.FacetGrid(iris, hue="variety", height=5).map(sns.distplot,"petal.length")

.add_legend()

plt.show()

===============================================================

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Python Class 178 (Dataset plotting) - Kapil

import pandas as pd

import seaborn as sns

import matplotlib.pyplot as plt

import numpy as np

iris = pd.read_csv("iris.csv")

print(iris.shape)

print(iris.columns)

print(iris.rank)

===============================================================

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Python Class 177 (Compare two lists) - Kapil

import random

I/P:

l1 = list(range(5))

random.shuffle(l1)

l2 = list(range(10))

random.shuffle(l2)

count = 0

for i in l1:

    for j in l2:

        if i == j:

           print(i)

           count +=1

print("Common numbers are as following: ", count)

-------------------------------------------------

O/P:

0 4 3 1 2 Common numbers are as following: 5

-------------------------------------------------

===============================================================

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Python Class 176 (Dictionary Functions) - Kapil

I/P:

Idic = {'name':'Kapil', 'age' : 100, 'Search':'Running'}

Idic['name'] = 'ram'

print(Idic)

Idic['education'] = 'P.G'

print(Idic)

print(Idic.pop('education'))

print(Idic)

del Idic['Search']

print(Idic)

print(Idic.keys())

print(Idic)

print(Idic.values())

print(Idic)

k = {}

print(dir(k))

O/P: 

{'name': 'ram', 'age': 100, 'Search': 'Running'}

{'name': 'ram', 'age': 100, 'Search': 'Running', 'education': 'P.G'}

P.G

{'name': 'ram', 'age': 100, 'Search': 'Running'}

{'name': 'ram', 'age': 100}

dict_keys(['name', 'age'])

{'name': 'ram', 'age': 100}

dict_values(['ram', 100])

{'name': 'ram', 'age': 100}

['__class__', '__contains__', '__delattr__', '__delitem__', 

'__dir__', '__doc__', '__eq__', '__format__', '__ge__', 

'__getattribute__', '__getitem__', '__gt__', '__hash__', 

'__init__', '__init_subclass__', '__iter__', '__le__', '__len__', 

'__lt__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', 

'__repr__', '__setattr__', '__setitem__', '__sizeof__', '__str__', 

'__subclasshook__', 'clear', 'copy', 'fromkeys', 'get', 'items', 

'keys', 'pop', 'popitem', 'setdefault', 'update', 'values']

===============================================================

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Python Class 176 (Odd/Even Numbers from a range) - Kapil

index1 = int(input("Please enter the starting range number: "))
index2 = int(input("Please enter the ending range number: "))

print("\n")

print("Prime number between {} and {} are:".format(index1, index2))

for num in range(index1,index2):
    if (num > 1):
        isDivisible = False
        for index in range(1, num):
            if (num % index == 0) or (num % 2 == 0):
                print("\n")
                print(num, "- is even number.")
                print("\n")
                isDivisible = True
                print(num,"The number is not prime.")
                break
        if not isDivisible:
            print("\n")
            print(num, "is a prime number.")
            print("\n")

===============================================================

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Python Class 175 (Even Numbers) - Kapil

numbers = [1,2,3,4,5]

for num in numbers:

  if num % 2 == 0:

      print(num, "- is even number.")

      continue

  print(num, "- is odd number.")

else:

  print("\n")

  print("For loop exited.")

--------------------------------------

num = int(input("Please enter the number:"))

isDivisible = False

i = 2

while i < num:

    if num % i == 0:

        isDivisible = True

        print("{} is divisible by {}".format(num,i))

        break

    i +=1

if isDivisible:

    print("{} is NOT a prime number".format(num))

else:

   print("{} is a prime number".format(num))

-----------------------------------------------------------

===============================================================

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Python Class 174 (Prime Numbers in a range) - Kapil

index1 = int(input("Please enter the starting range number: "))
index2 = int(input("Please enter the ending range number: "))

print("\n")

print("Prime number between {} and {} are:".format(index1, index2))

print("\n")
for num in range(index1,index2):
    if (num > 1): 
        isDivisible = False
        for index in range(2, num):
            if (num % index == 0):
                isDivisible = True
                print(num,"The number is not prime.")
        if not isDivisible:
            print("\n")
            print(num, "is a prime number.")
            print("\n")

===============================================================

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Python Class 173 (Money Call Calculator, Part-IV) - Kapil

while loop == 1:

    x = input("Press 0 to exit otherwise anything to continue:")

    if x == "0":

      break

    print ("*** Money Application ***")

    print("\n")

    print("Money Call")

    def SeventyTwo_function(n1,n2):

              return(n1/n2)

    print("\n")

    UV = float(input("Please enter the value of rate of interest:"))

    print("\n")

    print("Time to double the investment in years is:",SeventyTwo_function(72,UV))

    print("\n")

    AI = float(input("Please enter the amount value invested:"))

    print("\n")

    FF = AI * 2

    print("The final double amount value is:",FF, "after",SeventyTwo_function(72,UV),"years of investment.")

===============================================================

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Python Class 172 (Money Double Calculator, Part-III) - Kapil

print("*** Money Rule of 72 ***")

def SeventyTwo_function(n1,n2):

          return(n1/n2)

print("\n")

UV = float(input("Please enter the value of rate of interest:"))

print("\n")

print("Time to double the investment in years is:",SeventyTwo_function(72,UV))

print("\n")

AI = float(input("Please enter the amount value invested:"))

print("\n")

FF = AI * 2

print("The final double amount value is:",FF, "after",SeventyTwo_function(72,UV),

"years of investment.")

===============================================================

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Python Class 171 (Money Double Calculator, Part-II) - Kapil

print("*** Rule of 72 ***")

def SeventyTwo_function(n1,n2):

          return(n1/n2)

print("\n")

UV = float(input("Please enter the value of rate of interest "))

print("\n")

print("Time to double the investment is:",SeventyTwo_function(72,UV))

===============================================================

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Python Class 170 (Multi Function Call) - Kapil

print ("*** Multi Function calls application example ***")

def MATH_function(n1,n2):

        return (n1*n2), (n1/n2)

def SQY1_function(n1,n2):

        return(n1*2, n2*2)

def SQY2_function(n1,n2):

        return(n1**2, n2**2)

print ("\n")

print("The multiply function call result is:",MATH_function(3,3))

print ("\n")

print("The squre root function call result is:",SQY1_function(10,5), 

"& The squre root function call result is:", SQY2_function(10,5))

===============================================================

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Python Class 169 (Money Double, Part-I) - Kapil

print ("*** Application to calculate time to double amount ***")

#TTDA = 72 / Rate of Return 

def doubleAmt_function(n1,n2):

              return(n1/n2)

print("\n")

print ("The years taken to double the amount is:", doubleAmt_function(72,15))

------------------------------------------------------------------------------

print ("*** Application to calculate time to double amount ***")

#TTDA = 72 / Rate of Return 

print("\n")

RRV = float(input("Please enter the rate of return %: "))

print("\n")

TTDA = 72 / RRV 

print ("The years taken to double the amount is:", TTDA)

===============================================================

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Python Class 168 (Function Calls) - Kapil

print ("*** Four function call application example ***")

def MUL_function(n1,n2):

        return (n1*n2)

def DEV_function(n1,n2):

        return (n1/n2)

def SQY1_function(n1,n2):

        return(n1*2, n2*2)

def SQY2_function(n1,n2):

        return(n1**2, n2**2)

print ("\n")

print("The multiply function call result is:",MUL_function(3,3))

print ("\n")

print("The divide function call result is:",DEV_function(10,5))

print ("\n")

print("The squre root function call result is:",SQY1_function(10,5))

print ("\n")

print("The squre root function call result is:",SQY2_function(10,5))

===============================================================

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Python Class 167 (Event Probability) - Kapil

print ("*** Application to know the probability of an event ***")

def PEV_function(n1,n2):

        return (n1/n2)

print ("\n")

#P(E) = (Number of outcomes favorable)/(Total number of outcomes)

OFV = float(input("Please enter the current Number of outcomes favorable:"))

TOV = float(input("Please enter the total number of outcomes:"))

print("The probability of an event is:",PEV_function(OFV,TOV))

-----------------------------------------------------------------------------------------------------------

print ("*** Application to know the probability of an event ***")

print ("\n")

#P(E) = (Number of outcomes favorable)/(Total number of outcomes)

OFV = float(input("Please enter the current Number of outcomes favorable:"))

TOV = float(input("Please enter the total number of outcomes:"))

PEV = OFV/TOV

print("The probability of an event is:",PEV)

===============================================================

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Python Class 166 (Current Density) - Kapil

print ("*** Application to know the current density of an object ***")

print ("\n")

IV = float(input("Please enter the current flowing through the conductor in Amperes:"))

AV = float(input("Please enter the denotes the cross-section area in m2:"))

CDV = IV/AV

print("The  current density is:",CDV)

===============================================================

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Python Class 165 (Transformer Formula) - Kapil

print ("*** Application to calculate the transformer formula ***")

print ("\n")

# primary voltage (Vp = Np / Ns * Vs)

NPV = float(input("Please enter the number of turns in the primary:"))

NSV = float(input("Please enter number of turns in the secondary:"))

VSV = float(input("Please enter the secondary voltage:"))

VPV1 = NPV / NSV 

VPV2 = VPV1 * VSV

print ("\n")

print("The the transformer formula value (Vp) is: %.2f" %VPV2,"V")

===============================================================

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Python Class 164 (Wave Energy Density) - Kapil

print ("*** Application to calculate the Wave Energy Density ***") print ("\n") # The wave energy formula is given by, WDV * EGV * (H * H)/16 WHV1 = float(input("Please enter the Wave height (H) in meters:")) WHV2 = WHV1 * WHV1 #Water density ρ = 999.97 kg/m3 WDV = 999.97 #Gravity g = 9.8 m/s2 EGV = 9.8 WED1 = WDV * EGV * WHV2 WED2 = WED1 / 16 print ("\n") print("The the Wave Energy Density value is: %.2f" %WED2,"J")

===============================================================

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Python Class 163 (Celsius Temperature) - Kapil

print(" **** Application to calculate Celsius Temperature. **** ")

print("\n")

#C = (F-32)/1.8

FV = float(input("Please enter the Temperature in Fahrenheit: "))

CV = (FV-32)/1.8

#("%.2f" % a) - Limiting floats to two decimal points

print("\n")

print("The Temperature in Celsius is:%.2f" %CV)

===============================================================

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Python Class 163 (Fahrenheit Temperature) - Kapil

print(" **** Application to calculate Fahrenheit Temperature. **** ") print("\n") #F = (C * 1.8) + 32 CV = float(input("Please enter the Temperature in Celsius: ")) FV = (CV * 1.8) + 32 print("The Temperature in Fahrenheit is:",FV)

===============================================================

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