CODE EXAMPLE FOR PYTHON

unpacking in python

# List Unpacking using *args
def count_sevens(*args):
    return args.count(7)

nums = [90,1,35,67,89,20,3,1,2,3,4,5,6,9,34,46,57,
       68,79,12,23,34,55,1,90,54,34,76,8,23,34,45,
       56,67,78,12,23,34,45,56,67,768,23,4,5,6,7,
        8,9,12,34,14,15,16,17,11,7,11,8,4,6,2,5,8,7,10,12,
        13,14,15,7,8,7,7,345,23,34,45,56,67,1,7,3,
        6,7,2,3,4,5,6,7,8,9,8,7,6,5,4,2,1,2,3,4,5,6,
        7,8,9,0,9,8,7,8,7,6,5,4,3,2,1,7]

print(count_sevens(*[1,4,7]) # 1 
print(count_sevens(*nums)) # 14 

# Dictionary Unpacking using **kwargs
def add_and_multiply_numbers(a,b,c):
    print(a + b * c)

data = dict(a=1, b=2, c=3)
      
add_and_multiply_numbers(**data) # 7