import math
r=int(raw_input('Enter the radius of circle:'))
perimeter=2*math.pi*r
print 'Perimeter of a circle :',perimeter
area=math.pi*(r**2)
print 'Area of acircle :',area
x=int(raw_input('Enter the value of x in y=e**x:'))
y=math.e**x
print 'Natural Exponential Function value :',y
Solve Problems by Coding Solutions - A Complete solution for python programming
Sorting the numbers in the List
L=int(raw_input("Enter the length of list: "))
p=list()
for i in range(L):
num=int(raw_input("Enter the elements : "))
p.append(num)
print '\nUnsorted list is: ',p
for i in range (len(p)):
for j in range (i+1,len(p)):
if p[i]>p[j]:
t=p[i]
p[i]=p[j]
p[j]=t
else:
print '\nSorted List is:' ,p
p=list()
for i in range(L):
num=int(raw_input("Enter the elements : "))
p.append(num)
print '\nUnsorted list is: ',p
for i in range (len(p)):
for j in range (i+1,len(p)):
if p[i]>p[j]:
t=p[i]
p[i]=p[j]
p[j]=t
else:
print '\nSorted List is:' ,p
Search the Element in a list
flag=0
L=int(raw_input("Enter the length of list: "))
p=list()
for i in range(L):
num=int(raw_input("Enter the elements : "))
p.append(num)
j=int(raw_input("Enter the element to find: "))
for i in range(L):
if (p[i]==j):
flag=1
if flag==1:
print "Element is found"
else:
print "Element is not found"
L=int(raw_input("Enter the length of list: "))
p=list()
for i in range(L):
num=int(raw_input("Enter the elements : "))
p.append(num)
j=int(raw_input("Enter the element to find: "))
for i in range(L):
if (p[i]==j):
flag=1
if flag==1:
print "Element is found"
else:
print "Element is not found"
Delete Duplicate numbers in a list
l1=list()
l2=list()
w=int(raw_input("Enter the elements in list:"))
for i in range(w):
n=int(raw_input("Enter the list:"))
l1.append(n)
for i in l1:
if i not in l2:
l2.append(i)
print ' Delete Duplicate numbers in a list: ', l2
l2=list()
w=int(raw_input("Enter the elements in list:"))
for i in range(w):
n=int(raw_input("Enter the list:"))
l1.append(n)
for i in l1:
if i not in l2:
l2.append(i)
print ' Delete Duplicate numbers in a list: ', l2
Program to check the Perfect Number or Not
num=input("Enter the number:")
i=1
while i<=num/2:
s=i**2
if s==num:
print "perfect square"
break
i+=1
else:
print "Not a perfect square"
i=1
while i<=num/2:
s=i**2
if s==num:
print "perfect square"
break
i+=1
else:
print "Not a perfect square"
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