python第二章练习题

2-1

string = "I am a fresh man!!!"
print(string)

输出结果:

I am a fresh man!!!


2-2

temp = 2
print(temp)
temp = "haha"
print(temp)

输出结果:

2

haha


2-3

name = "Eric"
print("Hello " + name + ", would you like to learn some Python today?")

输出结果:

Hello Eric, would you like to learn some Python today?


2-4

name = "luffy"
print(name.lower())
print(name.upper())
print(name.title())

输出结果:

luffy

LUFFY

Luffy


2-8

print(3 + 5)
print(10 - 2)
print(2 * 4)
print(16 / 2)

输出结果:

8

8

8

8.0


2-9

my_favorite_num = 7
my_favorite_num = "my favorite num is " +  str(my_favorite_num) + "."
print(my_favorite_num)

输出结果:

my favorite num is 7.

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