Cycle is performed repeatedly inside the loop body code
1.while first need to define a counter, code examples are as follows:
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2.for loop counter need not be defined, the direct write cycle times range (n), the following code is an example:
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3.break: encounters a break in the loop body, the immediate end of the cycle, code examples are as follows:
The results are as follows: when it comes to break, no matter how much the counter, immediately end the cycle, it is only done once
4.continue: When faced continue, the end of the cycle, re-circulating, code examples are as follows:
The results are as follows:
