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list as a function parameter. How it works?

def fun(x, a=[]): a.append(x) print (a)

fun(3) fun(5) fun([7,8]) fun({7,8})

o/p: [3] [3, 5] [3, 5, [7, 8]] [3, 5, [7, 8], {8, 7}]

list as a function parameter. How it works?

def fun(x, a=[]): a.append(x) print (a)

fun(3) fun(5) fun([7,8]) fun({7,8})fun({7,8})

o/p:

~~o/p:~~ [3] [3, 5] [3, 5, [7, 8]] [3, 5, [7, 8], {8, 7}]

list as a function parameter. How it works?

def fun(x, a=[]): a.append(x) print (a)

fun(3)
fun(5)
fun([7,8])
fun({7,8})

o/p:

[3] [3, 5] [3, 5, [7, 8]] [3, 5, [7, 8], {8, 7}]

list as a function parameter. How it works?

def fun(x, a=[]): a.append(x) print (a)

fun(3)
fun(5)
fun([7,8])
fun({7,8})

o/p:

[3] [3, 5] [3, 5, [7, 8]] [3, 5, [7, 8], {8, 7}]

list as a function parameter. How it works?

def fun(x, ~~a=[]):~~ a=[]):

    a.append(x)
     print (a)(a)
  fun(3)
fun(5)
fun([7,8])
fun({7,8})
 o/p:
 [3]
[3, 5]
[3, 5, [7, 8]]
[3, 5, [7, 8], {8, 7}]

          6    None 
      
    
        
        updated 2018-10-14 07:53:21 +0100  
 
 
  
 
 
 
  list as a function parameter. How it works?
 def fun(x, a=[]):
     a.append(x)
    print (a)

fun(3)
fun(5)
fun([7,8])
fun({7,8})
 o/p:
 [3]
[3, 5]
[3, 5, [7, 8]]
[3, 5, [7, 8], {8, 7}]
 
 
 
          7    None 
      
    
        
        updated 2018-10-14 07:54:46 +0100  
 
 
  
 
 
 
  list as a function parameter. How it works?
 def fun(x, a=[]):
a= []): 
       a.append(x)
     print (a)
(a)  fun(3)
fun(5)
fun([7,8])
fun({7,8})
 o/p:
 [3]
[3, 5]
[3, 5, [7, 8]]
[3, 5, [7, 8], {8, 7}]
 
 
 
          8    None 
      
    
        
        updated 2018-10-14 08:51:47 +0100  
 
 
  
 
 
 
  list as a function parameter. How it works?
 def fun(x, a= []): 

        a.append(x)
        print (a)
 fun(3)
fun(5)
fun([7,8])
fun({7,8})
 o/p:
 [3]
[3, 5]
[3, 5, [7, 8]]
[3, 5, [7, 8], {8, 7}]
 
 
 
          9    None 
      
    
        
        updated 2018-10-14 08:52:19 +0100  
 
 
  
 
 
 
  list as a function parameter. How it works?I can't able to understand how the outputs work.
    def fun(x, a= []): 
 b= []):
 a.append(x)
  ...   b.append(x)
 print (a)  ...   print(x,'   ',b)
          ...
      fun(7)
          7     [7]
      fun([9, 7])
          [9, 7]     [7, [9, 7]]
      fun([9, 8])
          [9, 8]     [7, [9, 7], [9, 8]]
  
 fun(3)
fun(5)
fun([7,8])
fun({7,8})
 
  o/p:
 [3]
[3, 5]
[3, 5, [7, 8]]
[3, 5, [7, 8], {8, 7}] 
 
 
          10    None 
      
    
        
        updated 2018-10-14 08:53:20 +0100  
 
 
  
 
 
 
  list as a function parameter. I can't able to understand how the outputs work.
    def fun(x, b= []):
          ...   b.append(x)
          ...   print(x,'   ',b)
          ...
      fun(7)
          7     [7]
      fun([9, 7])
          [9, 7]     [7, [9, 7]]
      fun([9, 8])
          [9, 8]     [7, [9, 7], [9, 8]]
 
 
 
 
 
 
          11    None 
      
    
        
        updated 2018-10-14 08:54:54 +0100  
 
 
  
 
 
 
  list as a function parameter. I can't able to understand how the outputs work.
    def fun(x, b= []):
          ...   b.append(x)
          ...   print(x,'   ',b)
          ...
      fun(7)
          7     [7]
      fun([9, 7])
          [9, 7]     [7, [9, 7]]
      fun([9, 8])
          [9, 8]     [7, [9, 7], [9, 8]]
 
 
 
 
 
 
          12    None 
      
    
        
        updated 2018-10-14 08:58:14 +0100  
 
 
  
 
 
 
  list as a function parameter. I can't able to understand how the outputs work.
    def fun(x, b= []):
          ...   b.append(x)
          ...   print(x,'   ',b)
          ...
      fun(7)
          7     [7]
      fun([9, 7])
          [9, 7]     [7, [9, 7]]
      fun([9, 8])
          [9, 8]     [7, [9, 7], [9, 8]]
 
 
 
 
 
 
          13    None 
      
    
        
        updated 2018-10-14 08:58:21 +0100  
 
 
  
 
 
 
  list as a function parameter. I can't able to understand how the outputs work.parameter.
    def fun(x, b= []):
          ...   b.append(x)
          ...   print(x,'   ',b)
          ...
      fun(7)
          7     [7]
      fun([9, 7])
          [9, 7]     [7, [9, 7]]
      fun([9, 8])
          [9, 8]     [7, [9, 7], [9, 8]]
 
 
 
 
 
 
          14    None 
      
    
        
        updated 2018-10-14 09:10:19 +0100  
 
 
  
 
 
 
  list as a function parameter.
 ![>>> def fun(x, b= []):
    ...   b.append(x)
    ...   print(x,'   ',b)
    ...
    def fun(x, b= []):
          ...   b.append(x)
          ...   print(x,'   ',b)
          ...
      fun(7)
          7     [7]
      fun([9, 7])
          [9, 7]     [7, [9, 7]]
      fun([9, 8])
          [9, 8]     [7, [9, 7], [9, 8]]8]]
      ](http://)
 
 
 
 
 
 
          15    None 
      
    
        
        updated 2018-10-14 09:10:44 +0100  
 
 
  
 
 
 
  list as a function parameter.
 ![>>> def fun(x, b= []):
    ...   b.append(x)
    ...   print(x,'   ',b)
    ...
    def fun(x, b= []):
          ...   b.append(x)
          ...   print(x,'   ',b)
          ...
      fun(7)
          7     [7]
      fun([9, 7])
          [9, 7]     [7, [9, 7]]
      fun([9, 8])
          [9, 8]     [7, [9, 7], [9, 8]]
      ](http://)8]]
 
 
 
 
 
 
          16    None 
      
    
        
        updated 2018-10-14 09:13:06 +0100  
 
 
  
 
 
 
  list as a function parameter.
    def fun(x, b= []):
          ...   b.append(x)
          ...   print(x,'   ',b)
          ...
      fun(7)
          7     [7]
      fun([9, 7])
          [9, 7]     [7, [9, 7]]
      fun([9, 8])
          [9, 8]     [7, [9, 7], [9, 8]]
 
 
 
 
 
 
          17    None 
      
    
        
        updated 2018-10-14 11:45:32 +0100  
    tmonteil 
 27423  ●31 ●204 ●517  
        http://wiki.sagemath.o...
         
 
 
 
  
 
 
 
  list as a function parameter.
 .     
>>> def fun(x, b= []):
 ...   b.append(x)
 ...   print(x,'   ',b)
 ...
 >>> fun(7)
 7     [7]
 >>> fun([9, 7])
 [9, 7]     [7, [9, 7]]
 >>> fun([9, 8])
 [9, 8]     [7, [9, 7], [9, 8]]
 
 
 8]]
>>>