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## pingpong
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### Instructions
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Write a program that checks if all numbers up to a given number are odd or even.
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The numbers will be between 0 and 100.
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- If the number is odd then it prints the number and `pong` as in the example below.
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- If the number is even then it prints the number and `ping` in the same way.
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- If the number of arguments is invalid then do nothing.
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### Usage
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```console
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$ go run . 6 | cat -e
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0 ping$
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1 pong$
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2 ping$
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3 pong$
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4 ping$
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5 pong$
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$ go run . | cat -e
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$
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```
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