#1

'''l=(2,5,8)
print(len(l))'''

#2
'''a=('apple')
print(max(a))
print(min(a))'''

#3
'''x=(1,2,3,4)
y=1*2*3*4
print(y)'''


#4 difference of sets
'''a=set([1,2,3])
b=set([3,4,5])
a-b
print(a-b)
b-a
print(b-a)'''

#compare two sets
'''a=set([1,2,3])
b=set([3,4,5])
print(a<=b)'''

#intersection of two sets
'''a=set([1,2,3])
b=set([3,4,5])
print(a&b)'''

#5 dictionary
'''a=input("enter name")
b=input("enter marks")
c=input("enter name")
d=input("enter marks")
e=input("enter name")
f=input("enter marks")
g=input("enter name")
h=input("enter marks")
i=input("enter name")
j=input("enter marks")
D={a:b,c:d,e:f,g:h,i:j}
print(D)'''

#6
'''l=["M","I","S","S","I","S","S","I","P","P","I"]
m=l.count("M")
i=l.count("I")
s=l.count("S")
p=l.count("P")
D={'m':m,'i':i,'s':s,'p':p}
print(D)'''