print("How many readings will you enter 5 or 10?")
n=int(input("Enter the number of readings = "))
if n==5:
r1=float(input("Enter the value of first reading = "))
r2=float(input("Enter the value of second reading = "))
r3=float(input("Enter the value of third reading = "))
r4=float(input("Enter the value of fourth reading = "))
r5=float(input("Enter the value of fifth reading = "))
r=(r1+r2+r3+r4+r5)/5
mar=(abs(r-r1)+abs(r-r2)+abs(r-r3)+abs(r-r4)+abs(r-r5))/5
re=mar/r
rpe=(mar/r)*100
print("Average error =",r)
print("Mean Absolute error =",mar)
print("Relative error =",re)
print("Percentage error =",rpe)
elif n==10:
r1=float(input("Enter the value of first reading = "))
r2=float(input("Enter the value of second reading = "))
r3=float(input("Enter the value of third reading = "))
r4=float(input("Enter the value of fourth reading = "))
r5=float(input("Enter the value of fifth reading = "))
r6=float(input("Enter the value of sixth reading = "))
r7=float(input("Enter the value of seventh reading = "))
r8=float(input("Enter the value of eighth reading = "))
r9=float(input("Enter the value of ninth reading = "))
r10=float(input("Enter the value of tenth reading = "))
r=(r1+r2+r3+r4+r5+r6+r7+r8+r9+r10)/10
mar=(abs(r-r1)+abs(r-r2)+abs(r-r3)+abs(r-r4)+abs(r-r5)+abs(r-r6)+abs(r-r7)+abs(r-r8)+abs(r-r9)+abs(r-r10))/10
re=mar/r
rpe=(mar/r)*100
print("Average error =",r)
print("Mean Absolute error =",mar)
print("Relative error =",re)
print("Percentage error =",rpe)
else:
print("Kindly take 5 or 10 readings only.")