1、
(1)The order of operations ：First, do the multiplication and division from left to right; Then, do the addition and subtraction from left to right.
2、
(1)How do I get colors in my editor?（Save our file first as a .py file, such as ex1.py. Then we'll have color when we type.）
3、
（1）Why does the # in print("Hi # there.") not get ignored?（The # in that code is inside a string, so it will be put into the string until the ending " character is hit. So the # here is just considered as characters, not comments.）
4、
(1)What's the difference between = and ==?（The =(single-equal) assigns the value on the right to a variable on the left.
The ==(double-equal) tests whether two things have the same value.）
(2)Can we write x=100 instead of x = 100?（Of course we can, but it's a bad form. We'd better add space around operators like this so that it's easier to read.）
5、
(1)Can I make a variable like this: 1 = 'Zed Shaw' ?（No, 1 is not a valid variable name. They need to start with a character, so a1 would work.）
(2)How can I round a floating point number?（You can use the round() function like this: round(1.7333).）（四舍五入）
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