01-Introduction

In real life, when we go shopping at a supermarket, we calculate the total price by summing up the unit prices of all items purchased.
This is the process of transforming input data into the data we want.
In this lesson, we'll introduce how to process data.

02-Answer to Previous Exercise

Define 4 variables: age=18, name=BinaryBang, workExperience="10 years programming experience", favLanguage=["C,Cpp,Oc,Java,Arkts,Cangjie"]
Output a self-introduction template: "Hello everyone, I'm xxx, x years old, with xxx work experience, my favorite programming languages are: xxx";

03-Operators

Operators are the foundation of expressions.
What are operators?
Operators express the operations performed on input data.
Common operators:
Assignment operators

Arithmetic operators
+

/
%
Logical operators
!
||
&&
Compound expressions
+=
-=
*=
/=
%=

04-Expressions

What are expressions?
Any language element that can be evaluated is an expression.
01-Arithmetic expressions
Expressions composed of arithmetic operators.
Precedence
Associativity
For detailed information, check the table:
https://docs.cangjie-lang.cn/docs/1.0.0/user_manual/source_zh_cn/Appendix/operator.html
if expressions
while expressions
for-in expressions

05-Input Functions

Introduction and usage of readln

06-Exercise

Input weight, height, and gender, calculate BMI value, and output whether your BMI is normal.

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