for.py

#for loop:
# for variable name in range(start,stop/end,step):
#   print("")

'''for i in range(10,0,-1):
    print(i,end=" ")'''

"""s=int(input("Enter start:"))
e=int(input("Enter stop:"))

'''for y in range(s,e+1,2):
    print(y,end=" ") # here odd number input will give odd numbers'''

'''for y in range(s,e+1):
    if(y%2==0):     # Dynamic:here all odd number is exited from loop and only even are considered
        print(y,end=" ")'''
"""
'''n=int(input("Enter a number:"))
oddsum=0
evensum=0

for x in range(1,n+1):
    if(x%2!=0):
        oddsum = oddsum+x
    elif(x%2==0):
        evensum = evensum+x
print("oddsum:",oddsum,"evensum:",evensum)
'''
'''a=int(input("enter a number:"))
count=0

for i in range(1,a+1):
    if a%i==0:
        count+=1
if count==2:
    print("Prime number:",a)
else:
    print("Not a prime number")
'''
#perfect number
'''a=int(input("Enter a number:"))
sum=0

for i in range(1,a):
    if a%i==0:
        sum+=i
if sum==a:
    print("Perfect Number")
else:
    print("Not a perfect number")
'''
#armstrong number    
'''a=int(input("Enter a number:"))
length=len(str(a))
sum=0
temp=a

for i in range(length):
    r=temp%10
    sum=sum+pow(r,length)
    temp=temp//10
if sum==a:
    print("Num is armstrong")
else:
    print("Num is not armstrong")
'''
#twin num
'''n=int(input("Enter a number:"))
digit=len(str(n))
sum=0
mul=1

for i in range(digit):
    r=n%10
    sum+=r
    mul*=r
    n=n//10
if sum==mul:
    print("Number is twin")
else:
    print("Number is not twin")
'''
#Reverse number
'''n=int(input("Enter a number:"))
digit=len(str(n))

for i in range(digit):
    r=n%10
    print(r,end="")
    n=n//10
'''
#palindrome
'''n=int(input("Enter a number:"))
digit=len(str(n))
rev=0 
temp=n

for i in range(digit):
    r=n%10
    rev=rev*10+r
    n=n//10
if rev==temp:
    print("palindrome")
else:
    print("not palindrome")
'''
#nested for loop
'''start=int(input("Enter starting number:"))
end=int(input("Enter ending number:"))

for i in range(start,end+1):
    count=0
    for j in range(1,i+1):
        if i%j==0:
            count+=1
    if count==2:
        print(i,end=" ")
'''
#perfect num in range
'''start=int(input("Enter starting number:"))
end=int(input("Enter ending number:"))

for i in range(start,end+1):
    sum=0
    for j in range(1,i):
        if i%j==0:
            sum+=j
    if sum==i:
        print(i,end=" ")
'''

#break
'''
for i in range(1,10):
    if i==5:
        break
    print(i,end="") #1 2 3 4
'''
#armstrong  number in range
'''start=int(input("Enter starting number:"))
end=int(input("Enter ending number:"))

for i in range(start,end+1): #153
    digit=len(str(i))
    sum=0
    temp=i
    for j in range(digit):
        r=temp%10
        sum=sum+pow(r,digit)
        temp=temp//10
    if sum==i:
        print(i,end=" ")
''' 
#twin in range
'''start=int(input("Enter starting number:"))
end=int(input("Enter ending number:"))

for i in range(start,end):
    digit=len(str(i))
    sum=0
    mul=1
    temp=i
    for j in range(digit):
        r=temp%10
        sum+=r
        mul*=r
        temp=temp//10
    if sum==mul:
        print(i,end=" ")
'''
#palindrome in range
'''start=int(input("Enter starting number:"))
end=int(input("Enter ending number:"))

for i in range(start,end):
    digit=len(str(i))
    rev=0
    temp=i
    for j in range(digit):
        r=temp%10
        rev=rev*10+r
        temp=temp//10
    if rev==i:
        print(i,end=" ")
'''