Words and punctuation matter!

• What did you chose? (Correctly: choose, but people will usually understand.)

• Lets do the homework. (Correctly: Let's, but most people will understand.)

• Let's eat, grandpa!

• Let's eat grandpa!

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• Programming languages have a lot less words, but they are very strict on the grammar (syntax).

• A missing comma can break your code.

• A missing space will change the meaning of your code.

• An incorrect word can ruin your day.