x=lambda a: a**2#lembda is short format of function in python
print(x(2),end="\n")
#is like
def fun(n):
    return n**2
print(fun(2))

4
4

#filter in map
x=map(lambda a: a+1,filter(lambda a: a>3,[1,2,3,4,5,6]))
# x=map(lambda a: a+1,1)#do not work
print(list(x))
#map in filter
x=filter(lambda a: a>2,map(lambda a:a**2,[-1,-1,-43,1,2,3,4,5]))
print(list(x))
#map and filter in reduce
from functools import reduce
x=reduce(lambda a,d: a+d,filter(lambda a: a>2,
         map(lambda a:a**2,[-1,-1,-43,1,2,3,4,5])))
print(x)

[5, 6, 7]
[1849, 4, 9, 16, 25]
1903

#filter function is use for separate some element by condition of function
def fun(n):
    return n>=3
x=filter(fun,[1,2,3,4,5])
print(x)
print(list(x))
#lembda
x=filter(lambda x:x>3,[1,2,3,4,5])
print(set(x))

<filter object at 0x00000243C075780>
[3, 4, 5]
{4, 5}

#map function is basically use for do sum change on value of literate in list
def fun(n):
    return n**2
x=map(fun,[1,2,3,4,5])
print(x)
print(list(x))#we can also use tuple or set also

#withlembda
x=map(lambda a:a**3,[1,2,3,4,5])
print(tuple(x))
#we can also use more than on literate for map
x=map(lambda a,b:a+b,[1,2,3],[2,3,4])
print(list(x))
#logic
n=[1,2,3,4,5]
d=[]
for x in n:
    i=lambda x:x**2
    d.append(i(x))
print(d)

<map object at 0x000001DF6985370>
[1, 4, 9, 16, 25]
(1, 8, 27, 64, 125)
[3, 5, 7]
[1, 4, 9, 16, 25]

#reduce is use for sum or do other operation on literate
from functools import reduce
def fun(a,b):
    return a+b
x=reduce(fun,[1,2,1,1,1,1])
print(x)
#with lembda
x=reduce(lambda a,b: a**b,[1,2,1,1,1,1])
print(x)
#logic
# d=[]
s=0
for a in [1,2,3,4,5]:
    s=s+a
print(s)

7
1
15

f=range(10)
print(tuple(f))
f=range(2,10,2)
print(tuple(f))
f=range(1,11,2)
print(tuple(f))
f=range(11,0,-1)
print(tuple(f))

(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
(2, 4, 6, 8)
(1, 3, 5, 7, 9)
(11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)

#list com. is use for creating list 
f=range(9)
print("List com.")
x=[x+2 for x in f]
#syntax [properties for loop]
print(x)
print("Generator com.")
x=(x+2 for x in f)#it is basically crates object as x
print(x)
print(list(x))#print ting x as list of x

List com.
[2, 3, 4, 5, 6, 7, 8, 9, 10]
Generator com.
<generator object <genexpr> at 0x000002393662D60>
[2, 3, 4, 5, 6, 7, 8, 9, 10]

def fun(n):
    n=n+2
    return n
    n=n-2
    return n
print(fun(2))
print(fun(2))

print('Generator he:')
def Generator(n):
    n=n+2
    yield n
    n=n-2
    yield n
#x=Generator(2)
i=0
while(i<3):
    s=int(input('Enter number '))
    x=Generator(s)
    print(next(x))
    print(next(x))
    i+=1
    # print(next(x))

4
4
Generator he :
Enter number 3
5
3
Enter number 4
6
4
Enter numbe r2
4
2