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Most people do not understand the knowledge points of this article "how to use the for while cycle of python", so the editor summarizes the following, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "how to use the for while cycle of python" article.

Condition judgment and indentation, pay attention to colons

Increase the number of times limit

# guess the number

Lucky_num = 19

Input_num =-1

# limit the number of times

Count = 0

# while Luckynumm inputroomnum and count

< 3: while count < 3: input_num = int(input("please input your lucky_num:")) if input_num < lucky_num: print("please input big num") elif input_num >

Lucky_num:

Print ("please input little num")

Else:

Print ("great")

Break

Count + = 1

Print (count)

Else:

Print ("too many counters are responsible for everything!")

Note indentation. Python is a language sensitive to indentation.

Note: ctrl+/

For cycle

# limit the number of times

For i in range (3):

Input_num = int (input ("please input your lucky_num:"))

If input_num

< lucky_num: print("please input big num") elif input_num >

Lucky_num:

Print ("please input little num")

Else:

Print ("great")

Break

Else:

Print ("too many counters are responsible for everything!")

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