Chapter2 变量和简单数据类型
2-2 将一条消息存储到变量中,将其打印出来;再将变量的值修改为一条新的消息,并将其打印出来。
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4message = "hello,world"
print(message)
message = "hell0,python"
print(message)2-3 将用户的姓名存到一个变量中,并向该用户显示一条消息。显示的消息非常简单。比如”Hello Eric, would you like to learn some Python today?”
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2name = input("What's your name? ")
print("Hello "+name+", today is nice!")
2-4 以小写、大写、首字母大写的方式显示人名。
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4name = "James"
print(name.lower())
print(name.upper())
print(name.title())2-6 打印名人名言。
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3name = "Albert Einstein"
message = "A person who never made a mistake never tried anything new."
print(name + ' once said, "'+message+'"')2-8 打印4个表达式,其结果都是8.
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4print(2*4)
print(2*(6-2))
print(int(24/3))
print(int((4*6)/3))2-9 将最喜欢的数字存储在一个变量中,再使用这个变量创建一条消息,指出你最喜欢的数字,然后将这条消息打印出来。
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3number = 8
number = "My favourite number is " + str(number)
print(number)