Python conditional statements

The basic If-else

if Condition:    code block 1else:    code block 2

If-elif-if of multi-step judgment

if condition 1:    code block 1elif  condition 2:    code block 2else:    code block 3

Conditional statements can be nested

if condition 1:     if Condition 2:        statement block     else:        statement block else:    statement block

Pass

In a block of statements, if you do not want to write any code, you can use the pass

if condition 1:     Pass Else :    statement block

Pass means skip this code.

About indentation

Four spaces

Python conditional statements