当前位置：网站首页>07 operator

07 operator

2022-04-22 05:57:00 【ʕ·͡ˑ· ཻ ʔ**ʕ·͡ˑ· ཻ ʔ】

Catalog

One 、 The concept of operators

Two 、 Classification of operators

3、 ... and 、 Arithmetic operator

Four 、 Comparison operator

5、 ... and 、 Assignment operator

6、 ... and 、 Logical operators

7、 ... and 、 Operator priority

One 、 The concept of operators

  • Operators are symbols that play a specific role in various operations .

Two 、 Classification of operators

3、 ... and 、 Arithmetic operator

Four 、 Comparison operator

Be careful ：
  • The results of the comparison operator are all Boolean values .
  • Numbers 100 And string 100 It's not equal .print(100=='100')#False

5、 ... and 、 Assignment operator

Be careful ：
  • The simple equal sign does not mean comparison in a programming language , Used to assign .
  • There is no space between compound assignment operators , come together .

6、 ... and 、 Logical operators

7、 ... and 、 Operator priority

  • Different operators have different priorities by default .()>**>*>/ // % >+ -
  • Parentheses have the highest priority , When priority cannot be determined , Add a small bracket to solve .

8、 ... and 、 Phased comprehensive training

demand ：

1. Prompt the user to enter the user name , And save it to a variable

2. Prompt the user for the user's age , Save to variable , And convert it to an integer

3. Prompt the user for the user's height , Save to variable , And convert it to floating point number

4. Output the user name on the console 、 Age 、 Data type of height corresponding variable

5. Output user information in the following format ：“ full name :xxx Age :xxx height :xxx”

6. Output the user in the console 5 Years later , Format ：“ Zhang San 5 The age after years is 25”

7. Output whether the user is now an adult on the console , Format ：“ Is Zhang San an adult ：True”.

 

版权声明
本文为[ʕ·͡ˑ· ཻ ʔ**ʕ·͡ˑ· ཻ ʔ]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/04/202204220538317130.html

边栏推荐

猜你喜欢

随机推荐