Python import xxx with the From XXX import XX module introduces the difference

The following script is script1.py:

A= ' AAAA '
b= ' bbbb '

Print A,b,c

1. Use import in command line interactive mode 1:

>>>import SCRIPT1

Then enter the command print separately:

>>>print script1. A, Script1. B, Script1. C

>>>print A,b,c

The results are as follows:

Can see

Print script1. A, Script1. B, Script1. C Normal fetch to the value of A,b,c

But print a,b,c an error, and a didn't declare it.

2. Use the From ... import ... The way to import:

>>>from script1 Import A,b,c

Enter the command to print separately:

>>>print script1. A, Script1. B, Script1. C

>>>print A,b,c

The results of the operation are as follows:

As you can see, the print a,b,c correctly takes the value, but script1. A error, SCRIPT1 not declared

There are two ways to introduce the difference, the two ways to import the variable storage is this:

Python import xxx with the From XXX import XX module introduces the difference