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Variable, Constant, and Literals Declaration in Python:-

Python variable is a loosely coupled type declaration so that we can change variable datatype in the program.

The syntax for Variable Declaration in Python:-

identifier=value  #single value
identifier1,identifier2,...= value1,value2,..   #multiple variable, multiple value

a=10
a,b,c = 10,20,30

a,b=10,20

print(a+b)

Example of variable:-

a,b = input("enter first number"),input("enter second number")
print(a+b)   #  "10"+"20"  "1020"
print(int(a)+int(b))  # 10+20
print(int(a+b))    #  1020  int

print(int(a)+float(b))

Constant:-

const = (3.14,2.2,"http://www.shivaconceptsolution.com")

Literals:-  It is the value of variable and constant for example if we assign

a=2   # 2 is the integer  type literals

b = 3.14 # 3.14 is the float type literals

print("hello")  # hello is the string type literals

Example of Literals:-

print(10+20)    #10,20 is the integer type literals
print("hello"+"how r u")   # hello, how r u is the string type literals

WAP to reverse a five-digit number without using a loop?

num=45123
a = num%10  #3
num=num//10 #4512
b=num%10  #2
num=num//10 #451
c=num%10 #1
num=num//10 #45
d=num%10 #5
e=num/10   #4
num1 = a*10000 + b*1000+c*100+d*10+e*1
print(num1)

ASSIGNMENT:-

3 WAP to calculate Simple Interest where rate and time will be constant and the principal will be an integer?4 WAP to calculate the area of a triangle, circle, and rectangle in the same program where the value of pi, the base of the triangle, and the height of the rectangle will be constant.5)  WAP to convert temperature from  Celsius to Fahrenheit?

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1. num=54231
a=num%10
num=num//10
b=num%10
num=num//10
c=num%10
num=num//10
d=num%10
num=num//1=
e=num%10
num2=a*10000+b*1000+c*100+d*10+e*1
print(num2)

2. area of circle
r=2
const=(3.14)
area=(const*r*r)
print(area)

1. Wrong program Constant take minium two elements

3. area of hexagon
a=2
const=(3*1.732//2)
print(area)

4. factorial of a number
n=5
fact=(5*4*3*2*1)
print(fact)

5. calculate compund interst
p=1000
r=4
n=5
t=4
c=(p*(1+r//n)*n*t)
print(c)

6. WAP to calculate Simple Interest where rate and time will be constant and
the principal will be an integer?
p=1000
r=2
t=5
const=(r,t)
si=(p*r*t)
print(si)

7. WAP to calculate the area of a triangle, circle, and rectangle in the same program where the value of pi, the base of the triangle, and the height of the rectangle will be constant
area of traingle the base of traingle is constant
b,h=10,20
const=(b)
area=(const*h)//2
print(area)
area of circle where pi is const
r=2
const=(3.14)
area=(const*r*r)
print(area)
area of rectangle where hight is const
b,h=20,30
const=(h)
area=(b*const)
print(area)

8. Solution of Temperature converter
c=45
f = (9*c+160)/5
print(f)

9. #PYTHON(6 To 7 PM Batch)
#For the Calculation of area of a triangle, circle, and rectangle in the same program

a= int(input("For AREA of Triangle Press 1:\nFor AREA of Rectangle Press 2:\nFor AREA of Circle Press 3:\t"))
if a==1:
print("\nBASE = 20")
h=int(input("Enter Height:\t"))
b=20
print("AREA of Triangle :\t",(b*h)/2)
elif a==2:
print("\nLENGTH= 20")
w=int(input("Enter WIDTH:\t"))
l=20
print("AREA of Rectangle:\t",(w*l))
elif a==3:
print("\nÏ€=3.14")
pi=3.14
print("AREA of Circle:\t",(pi*r*r))
else:
print("Entered wrong Option")

10. # PYTHON( 6 To 7 PM BATCH)
# Program to convert temperature from Celsius to Fahrenheit or Vice Versa

z = input("Press C or c to know temprature in Celsius :\t""\nPress F or f to know Temprature in Fahrenheit:\t")

if z == 'c'or z=='C':

f = int(input("Enter Temprature in Fahrenheit:\t" ))
print("Temprature in(°F):\t",f,"°F")
print("Temprature in(°C):\t",(f-32)*5/9,"°C")

elif z=='f' or z=='F':
c = int(input("Enter Temprature in Celsius:\t" ))
print("Temprature in(°C):\t",c,"°C")
print("Temprature in(°F):\t",(c*9/5)+32,"°F")

else:
print("\nEntered Wrong Option")

principal = int(input('enter principal amount:'))
ratei = float(input('enter rate of intrest:'))
numy = float(input('enter num of years:'))

simpleinterest = (principal * ratei * numy)/100

print('simple interest: {0}'.format(simpleinterest))

sno=int(input('enter service number'))
cname=input('enter cust name')
units=nre-ore
if units<=100:
amount=units*0.90
surcharges=25
elif units>100 and units<=300:
amount=units*1.50
surcharges=35
elif units>300 and units<=500:
amount=units*2.75
surcharges=45
elif units>500:
amount=units*4.50
surcharges=100
netamount=amount+surcharges
print('electrical info is:')
print('meter number=',sno)
print('name of cust=',cname)
print('total numbers of units=',units)
print('net payable amount=',netamount)

13. c=int(input('enter a celsius'))
f = (9*c+160)/5
print(f)

14. # PYTHON (6 To 7 PM BATCH)
# Program to Calculate and Display Salary Slip of an employee.

c = input("Company name :-")
e = str(input("Employee name :-"))
eid = input("Employee ID. :-")
b = int(input("Basic Salary :-"))
co = int(input("Medical Allowance :-"))
d = int(input("Dearness Allowance :-"))
t = int(input("Other Allowance :-"))
h = int(input("HRA :-"))
o = int(input("Over Time :-"))
pf = int(input("PF :-"))
esi = int(input("ESI :-"))
tax = int(input("Professional Tax :-"))
gross = b + co + d + t + h + o
ded = pf + esi + tax
net = (gross - ded)
print("Company name :-\t", c)
print()
print("Employee name :-\t", e)
print()
print("Employee ID. :-\t", eid)
print()
print("Gross Earnings (A) :-\t", gross)
print()
print("Gross Deductions (B) :-\t", ded)
print()
print("Net Salary Payable (A-B) :-\t", net)
print()

st = str(net)
sd = ["Zero", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine"];
print("Net Salary Payable(in words):-\t", end='')
for i in st:

if i == "0":
print(sd[0], "", end='')
elif i == "1":
print(sd[1], "", end='')

elif i == "2":
print(sd[2], "", end='')
elif i == "3":
print(sd[3], "", end='')
elif i == "4":
print(sd[4], "", end='')
elif i == "5":
print(sd[5], "", end='')
elif i == "6":
print(sd[6], "", end='')
elif i == "7":
print(sd[7], "", end='')
elif i == "8":
print(sd[8], "", end='')
elif i == "9":
print(sd[9], "", end='')
else:
print("SomeThing Went Wrong")
print("Only")

15. conversion of temperature from Celsius to Fahrenheit:-
c=float(input("Enter the temperature in Celsius:"))
f=float((c*(9/5))+32)
print("The conversion from Celsius to Fahrenheit is:",f,"F")

16. WAP to calculate Simple Interest where rate and time will be constant and
the principal will be an integer?\

CONST = (2.5,4.5)
p=450000
si = (p*CONST[0]*CONST[1])/100
print(si)

u=int(input("enter given amount"))
b=500
c=50
d=100
e=10
f=5
g=2
h=1
n=u-a #1000-125=875
print("return amount",n)
r=n//b #875//500=1
s=n%b #875%500=375
t=s//d #375//100=3
n=s%d #375%100=75
w=n//c #75//50=1
x=n%c #75%50=25
y=x//e #25//10=2
z=x%e #25%10=5
i=z//f #5//5=1
j=z%f
k=j//g
l=j%g
m=l//h
print("500--",r,",100--",t,"50--",w,"10--",y,"5--",i,"2--",k,"1--",m)

18. a=int(input("enter a number"))
b=365
c=30
e=7
y=a//b #200//365=0
a=a%b #200%365=0
m=a//c #200//30=6
n=a%c #200%30=20
w=n//e #20//7=2
d=n%e #20%7=6
print("year=",y,"month=",m,"week=",w,"days=",d)

19. Ques 1.
esalary= int(input("Enter the Salary: "))
ta= int(input("Enter the ta: "))
da= int(input("Enter the da: "))
comm= int(input("Enter the comm: "))
pf= int(input("Enter the pf : "))
hra= int(input("Enter the hra : "))
leave = int(input("Enter the leave : "))

tot=(esalary + ta +da + comm -pf + hra)
print("Total salary without leave :",tot)

oneday= esalary/30
cutamt= leave*oneday

final=("The final total amout after Leave : " ,tot-cutamt)
print(final)

Ques.2
up=float(input("Enter the unit price : "))

tc=float(input("Enter the consumption : "))

el=float(input("Enter the Extra load : "))

bill= up*tc+2*(up*el)
print("Total bill is : ", str(bill))

Ques.3
C = (4.9,8.6)
p=450000
si = (p*C[0]*C[1])/100
print(si)

Ques.5
c=float(input("Enter the Celsius: "))
f=(c*9/5)+32
print(f)

f=float(input("Enter the Fahrenheit: "))
c= (f-32)*5/9
print(c)

20. Program to calculate AREA of Triangle,RECT and CIRCLE?

CONST = (3.14,200,50)
r = 5
height=20
width=300
areaOfCircle = CONST[0]*r*r
areaOfTriangle = (CONST[1]*height)/2
areaOfRectangle = width*CONST[2]
print("Area of Cirlce is",areaOfCircle)
print("Area of Triangle is",areaOfTriangle)
print("Area of Rectangle is ",areaOfRectangle)

21. CONS=(3.14,20,25)
r,h,b=5,10,15
at=(CONS[1]*20)/2
print("area of traingle=",at)
ac=(CONS[0]*r*r)
print("area of circle=",ac)
ar=(CONS[2]*b)
print("area of rectangle",ar)

22. #NIKHIL SINGH CHOUHAN

a=int(input("salary"))
b=int(input("ta"))
c=int(input("da"))
d=int(input("comm"))
e=int(input("pf"))
f=int(input("hrd"))
g=int(input("leave"))
t=(a+b+c+d+e+f)
perday=t/30
k=g*perday
i=(t-k-e)
print("basic salary",t,"\nleave deduction amount=",k,"\nsalary after deduction=",i)

salary=12000
leave=3
ta=400
da=200
comm=500
pf=500
hra= 300
salaryperday=salary/30
deduction=salaryperday*leave # leave calculation
csalary=(salary + ta +da + comm + hra -pf -deduction ) #calculate salary
print("Total salary :",csalary)

p= int(input("Enter the amount: "))
r= 2.5
t= 1
sinterest = (p * r * t) / 100
print("Simple Interest is: ",sinterest)

25. '''calculating simple interest:
Simple Interest= P x R x T ÷ 100
where P = Principal, R = Rate of Interest and T = Time Period of the Loan
'''
p=int(input("Enter the Principal amt "))
r=5
t=12
s=(p*r*t)/100
a=p+s
print("interest ",s)
print("Total amount is ",a)

26. '''
WAP to calculate the total salary of an employee where basic, ta, da, comm, pf,hra, leave will be entered by the users?

basic:- 12000
ta 400
da=200
comm=500
pf =-500
hra = 300
leave=enter the user
'''
basic=12000
ta=400
hra=300
pf=500
da=200
leave=int(input("Enter total leave day "))
gross=basic+hra+da+ta
days=(gross/30)*leave
netpay=gross-days
salary=netpay-pf
print("This month Your salary is ",salary)

27. #simple intarest
p=40000
r=5
t=3
si=p*r*t/100
a=si+p
print(si)
print(a)

28. #reverse number
num=12345
x=num%10
num=num//10
y=num%10
num=num//10
z=num%10
num=num//10
a=num%10
num=num//10
b=num%10
print(x,y,z,a,b)
print(x*10000+y*1000+z*100+a*10+b*1)

29. #user input reverse
num=int(input("inter 5 digit number"))
x=num%10
num=num//10
y=num%10
num=num//10
z=num%10
num=num//10
a=num%10
num=num//10
b=num%10
print(x,y,z,a,b)
print(x*10000+y*1000+z*100+a*10+b*1)

30. #WAP to calculate the area of a triangle, circle, and rectangle ?
h=15
b=20
l=30
r=10
pi=3.14
p=int(input("press 1 for triangle and press 2 for circle and press 3 for rectangle :- "))
triangle=(h*b)/2
circle=pi*r*r
rectangle=l*b
if p==1:
print("Area of triangle ",triangle)

if p==2:
print("Area of circle ",circle)

if p==3:
print("Area of rectangle ",rectangle)

31. WAP to calculate the area of a triangle, circle, and rectangle ?

CONST=(3.14,12,15)
h=int(input("enter the height of traingle"))
b=int(input("enter the base of rectangle"))
t=(1/2)*CONST[1]*h
c=CONST[0]*r*r
re=CONST[2]*b
print("Area of traingle" , t)
print("Area of circle" , "c=%.2f" % (c))
print("Area of rectangle" , re)

32. WAP to convert temperature from Celsius to Fahrenheit?

c= float(input ("enter the celcius value"))
f= (1.5*c+32)
print ("Fahrenheit is", f)

33. WAP to calculate the total salary of an employee where basic, ta, da, comm, pf,hra, leave will be entered by the users?

basic=float(input("enter the basic salary of employee"))
ta=float(input("enter the ta of employee"))
da=float(input("enter the da of employee"))
comm=float(input("enter the comm of employee"))
pf=float(input("enter the pf of employee"))
hra=float(input("enter the hra of employee"))
leave=float(input("enter the leave of employee"))

gsal=basic+ta+da+comm+pf+hra
tsal=basic+ta+da+comm+hra-pf
nsal=gsal-((tsal/30)*leave)

print("gross salary of employee" +str(gsal))
print("net salary of employee" +str(nsal))

34. WAP to calculate Simple Interest where rate and time will be constant and
the principal will be an integer?
const= (2,5)
p=600000
si=(p*const[0]*const[1])/100
print(si)

35. #WAP to calculate the area of a triangle, circle, and rectangle in the same program where the value of pi, the base of the triangle, and the height of the rectangle will be constant.

const=(3.14,3,2)
heightT=3
triangleArea=(const[1]*heightT)/2
print("Area of Triangle=",triangleArea)
print("Area of Circle=",circleArea)
print("Area of Rectangle=",rectangleArea)

36. WAP to convert temperature from Celsius to Fahrenheit?

int(input("Enter the Celcius Value="))
fahrenheit=(1.8*celcius+32)
print("Fahrenheit is",fahrenheit)

37. #SHREYA SINGH

#WAP to calculate Simple Interest where rate and time will be constant and
the principal will be an integer?

const= (2,5)
p=600000
si=(p*const[0]*const[1])/100
print(si)

#WAP to calculate the area of a triangle, circle, and rectangle in the same program where the value of pi, the base of the triangle, and the height of the rectangle will be constant.

const=(3.14,3,2)
heightT=3
triangleArea=(const[1]*heightT)/2