Python Programs XI

  x='' for i in range (1000,3001):     n=i     flag =1     while (n>0):         rem = n%10         if (rem%2!=0):             flag = 0             break         n=n//10     if (flag == 1):         x+= str(i)+' , ' print (x)

s= input ('Enter a string') x='' len = len(string) for i in range (len):     ch = string[i]     if (ch=='y'):         x=x+'a'     elif (ch=='z'):         x=x+'b'     elif (ch=='Y'):         x=x+'A'     elif (ch=='Z'):         x=x+'B'     else :         a = ord(ch) + 2         x=x+ chr(a) print ('String after encrption: ', x)

print(''' main menu 1.add 2.sub 3.div 4.milt 5.exit''') n1=int(input('enter any n1')) n2=int(input('enter any n2')) while True:   ch=int (input('enter your choice'))   if ch==1:     print(n1+n2)   elif ch==2:     print(n1-n2)   elif ch==3:     print(n1*n2)   elif ch==4:     print(n1/n2)   elif ch==5:     print('you have exited!')     break   else:     print('invalid choses')

' ''  Percentage(%)           Grade      91-100                   A      81-90                    B      71-80                    C      0-70                     D   ''' per=int(input('enter perentage')) if per>=91 and per<=100:   print('Grade A') elif per>=81 and per<=90:   print('Grade B') elif per>=71 and per<=80:   print('Grade c') elif per>=0 and per<=70:   print('Grade D') else:   print('invalid marks')

cri=int(input('enter criteria(percentage) for pass and fail')) per=int(input('enter perentage')) if per>=cri:   print('pass') else:   print('fail')

n = int(input ('Enter a no.')) sum = 0 n1=n for i in range (1,n):     if (n%i==0):         sum = sum + i if (sum ==n1):     print (n1,' is a perfect no.') else :     print (n1,' is not a perfect no.')

# sum = 1/1! + 2/2! + 3/3! ... n/n! n = int (input ('Enter value for n: ')) sum =0 for i in range (1,n+1):     f=1     for j in range(1,i+1):         f=f*j     sum+= (i/f) print ('Sum of series= ', sum)

  # sum = a + ar + ar**2 + ar**3 + ..... + ar**n n= int (input ('Enter no of terms')) a= int (input ('Enter value for a ')) r= int (input ('Enter value for r')) sum=a for i in range (1,n+1):     sum = sum + (a*r**i)     print (a*r**i, sum) print ('Sum of series = ',sum)

a =int(input(" Enter First Number of an G.P Series: : ")) n = int(input(" Enter the Total Numbers in this G.P Series: : ")) r = int(input("Please Enter the Common Ratio : ")) total = 0 value = a print("\nG.P Series :", end = " ") for i in range(n):     print("%d " %value, end = " ")     total = total + value     value = value * r print("\nThe Sum of Geometric Progression Series = " , total)

n=0 cnt=0 n=int(input('Enter any no...')) sq=n**2 print(sq) while(n>0):   cnt=cnt+1   n=n//10 no=sq%(10**cnt) print(no) if(n==no):   print('The no. is automorphic') else:   print('The no. is not automorphic') 

n=int(input('3 digit no.')) sum=0 for i in range(3):   a=n%10   sum+=a   n=n//10 print(sum) 

n=int(input('enter any number')) if (n>0):   print(n,'is positive') elif (n<0):   print(n,'is negative') else:   print(n,'zero') 

n=int(input('enter any number')) if n<0:     print(n,':number is negative') else:     if n%2==0:         print(n,':number is even')     else:         print(n,':number is odd')

p=int(input('enter principle amount')) r=int(input('enyer rate of intrest')) t=int(input('time of intrest')) ci=p*(1+r/100)**t print('compound intrest',ci)

p=int(input('enter principle amount')) r=int(input('enyer rate of intrest')) t=int(input('time of intrest')) si=p*r*t/100 print('simple intrest',si)

r=int(input('enter radius of circle')) pie=22/7 circum=pie*r*2 print('circumference of circle=',circum)

r=int(input('enter radius of circle')) pie=22/7 area=pie*r**2 print('area of circle=',area)

dd = int(input ('Enter Date: ')) mm = int(input ('Enter Month: ')) yy = int(input ('Enter Year: ')) td = int(input ('Enter Today\'s Date: ')) tm = int(input ('Enter Today\'s Month: ')) ty = int(input ('Enter Today\'s Year: ')) ay=ad=am=0 if (mm<tm):     ay=ty-yy     if (mm==(tm-1)):         if (dd>tm):             am=0     else:         if (dd>tm):             am = tm-mm-1         else:             am = tm-mm         elif (mm>tm):     ay=ty-yy-1     if (dd<td):         am = 12-mm+tm     else:         am=11-mm+tm         else :         if (dd<td):         ay=ty-yy         ad = td - dd         am=0     elif (dd>td):         ay=ty-yy-1         am=11         if ( mm==2 or mm== 4 or mm==6 or mm==8 or mm==9 or mm==11 or mm==1):             ad = 31-dd+td         elif (mm== 5 or mm==7 or mm==10 or mm==12):             ad = 30-dd+td         else:            if (ty%4==0):               ad = 29-dd+td            else:

name=input('enter your name') class=int(input('enter your class') age=int(input('enter your age') print(name,"is studying in",class,"and",age,"years old")