python (function calls)

1. Call in the original file

DEF ABC (X, Y):
     Print X + Y 

ABC ( 2,3)     # brackets directly call parameter passing Function Name

 

2. The functions of different files the same package (package) The following call

"""
Basics(package)
    --->AAAA.py
"""

 def add(x,y): 
     return x + y

 

 

"" " 
Basics (Package) 
    ---> BBBB.py 
" "" 

# method. 1 
Import AAAA         # first import module AAAA 
Print AAAA.add (1,2)         # and then add the called function module AAAA () 

# Method 2 
from AAAA import add         # to add import function module AAAA 
Print add (2,3)         # re-use function calls the method name

 

3. The function call in different packages (package)

"""
common(package)
    --->AAAA.py
"""

 def add(x,y): 
     return x + y

"""
Basics(package)
    --->BBBB.py
"""

#方法1
from common.AAAA import add
print add(2,3)

#方法2
import python_API.AAAA
print python_API.AAAA.add(2,3)