2021 year 12 month Python Analysis of real questions of level 2 programming test

Judgment questions （ common 10 topic , Each question 2 branch , common 20 branch ）

26、 Run the following procedure , The running result is ：hi lanxi!

s1 = "hi"
s2 = " lanxi"
s3 = "!"
print(s1+s2+s3)

answer ： Yes

Test point analysis ： Check the string connection operation , String addition is to connect multiple strings ,s2 There are spaces in the string , So it's right

27、 In a program , If there is break, There must be continue

answer ： wrong

Test point analysis ： Examine break and continue sentence , These two statements are generally used in the loop structure , These two do not have to appear at the same time , According to the function of the topic, only one can appear , You can also have both , So the mistake

28、 Strings are variable data types