第四章部分习题

4-1
pizza = ["a","b","c"]
for i in pizza:
print("i like " + i +" pizza")

print("i really love pizza")

4-3
number=[]
for i in range(1,1000001):
number.append(i);
print(min(number))
print(max(number))

print(sum(number))

4-6
enum=list(range(1,21,2))

print(enum)

4-9
number=[i**3 for i in range(1,11)]

print(number)

4-10
mess = "The first three items in the list are."
print ( mess[0:3])
print ( mess [ 4: 7])

print ( mess[-3:])
4-11
mypizza = ["a","b","c"]
yopizza = mypizza[:]
mypizza.append("d")
yopizza.append("e")
print(mypizza)

print(yopizza)
4-13 
food  = ("a","b","c","d","e")
for i in food:
    print(i)

#food[0]="c"

food =("a","b","c","gg","hh")
for i in food :
    print ( i )