Operations on Matrices using Python program

import numpy as np
A = np.array([[4,1,7],[2,1,8],[3 ,7,1]])
B = np.array([[6,1,1],[2,1,5],[2,3,1]])
C=A.dot(B)
print("Values of First 2D Matrix\n",A)
print("Values of Second 2D Matrix\n",B)
print("---------------------------------------------")
print("Multiplication of Matrices\n",C)
print("\n")
Ainv=np.linalg.inv(A)
Binv=np.linalg.inv(B)
print("Inverse of First Matrix\n",Ainv)
print("Inverse of Second Matrix\n",Binv)
print("\n")
AI=Ainv.dot(A)
BI=Binv.dot(B)
print("Multiplication of First Matrix and their Inverse\n",AI)
print("Multiplication of Second Matrix and their Inverse\n",BI)
AD=np.linalg.det(A)
BD=np.linalg.det(B)
print("\n")
print("Determinant of First Matricx:",AD)
print("Determinant of Second Matricx:",BD)
print("\n")
ADi=np.diag(A)
BDi=np.diag(B)
print("Diagonal Elements of First Matrix:",ADi)
print("Diagonal Elements of Second Matrix:",BDi)
SADi=np.trace(A)
SBDi=np.trace(B)
print("\n")
print("Sum of Diagonal Elements of First Matrix:",SADi)
print("Sum of Diagonal Elements of Second Matrix:",SBDi)
print("\n")
CA=np.cov(A)
CB=np.cov(B)
print("Covariance matrix of First Matrix\n",CA)
print("Covariance matrix of Second Matrix\n",CB)
print("\n")
ECA=np.linalg.eigh(CA)
ECB=np.linalg.eigh(CB)
print("First array represents eigenvalues and second array represents eigenvectors")
print("\n")
print("covariance matrix eigenvalues eigenvectors of First Matrix\n",ECA)
print("\n")
print("covariance matrix eigenvalues eigenvectors of Second Matrix\n",ECB)

Temperature Conversion Table

def Fah():
    F=int(input('Enter the temperature on Fahrenheit(F)'))
    C=(F - 32) * 5/9
    K=(F - 32) * 5/9 + 273.15
    print("Fahrenheit Value :",F)
    print("Celsius Value :",C)
    print("Kelvin Value:",K)

def Cel():
    C=int(input('Enter the temperature on Celsius(C)'))
    F=(C * 9/5) + 32
    K=C + 273.15
    print("Fahrenheit Value :",F)
    print("Celsius Value :",C)
    print("Kelvin Value:",K)

def Kel():
    K=int(input('Enter the temperature on Kelvin(K)'))
    F=(K - 273.15) * 9/5 + 32
    C=K - 273.15
    print("Fahrenheit Value :",F)
    print("Celsius Value :",C)
    print("Kelvin Value:",K)
print("\n")
print('1.Fahrenheit to Celsius & Kelvin\n2.Celsius to Fahrenheit & Kelvin\n3.Kelvin to Fahrenheit & Celsius\n4.Exit')
n=int(input('Enter the choice:'))
if n==1:
      Fah()      
elif n==2:
      Cel()   
elif n==3:
      Kel()      
elif n==4:
      exit()
else:
      print('Invalid options')