revise.py

#Airthmetic operations

a=int(input('enter a value:'))
b=int(input('enter b value:'))
print(a+b)
print(a-b)
print(a*b)
print(a/b)
print(a//b)
print(a%b)
print(a**b)

#swap a two numbers

a=int(input('enter a value:'))
b=int(input('enter b value:'))
c=a,b=b,a
print(c)

#method of swapping

a=int(input('enter a value:'))
b=int(input('enter b value:'))
temp=a
a=b
b=temp
print('after swapping:')
print("a=",a)
print("b=",b)

#simple greeting program

name=input('enter a name :')
age=int(input('enter your age:'))
print(f'Hello, {name} your {age} years old.')

#string manipulation 

text=input('enter a sentence:')
print(text.upper())
print(text.lower())
print(text.replace(' ','_'))
print(text.strip())

#character counter

text=input('enter a sentence :')
no_space=text.replace(' ','')
char=len(no_space)
print(f'Number of characters : {char}')

#escape sequences

print('Hello \n\tWorld \n This is the bacslash:')

#logical operator 

a=int(input('enter a number:'))
b=int(input('enter b number:'))
print(a>10 and b>10)
print(a<5 or b<5)
print(not(a>b))


#comparison operator

age=int(input('enter a age:'))
if age>=18:
	print('your an adult')
elif age<18:
	print('your a minor ')

#membership operator

sentence=input('enter a sentence:')
print('a' in sentence )
print('python' not in sentence)

#Bitwise operator

a=int(input('enter a number:'))
b=int(input('enter  b number:'))
print(a&b)
print(a|b)
print(a^b)
print(a<<2)
print(b>>1)

# List

l=['abhi',90,'bhagya',95,'roopa']
l1=l.insert(1,'rekha')
print(l)
l2=l.append(98)
print(l)
l3=l.pop(2)
print(l)
print('final list ',l)

#reverse and sort


l=[18,6,4,8,9,6]
l.sort()
print(l)
l.reverse()
print(l)