Colab 

def multiply(a,b):
    """
    very simply computes a*b
    nice isnt it
    """
    return a*b


help(multiply)


Help on function multiply in module __main__:

multiply(a, b)
    very simply computes a*b
    nice isnt it


multiply.__doc__


'\n    very simply computes a*b\n    nice isnt it\n    '

x= multiply


mul = lambda a, b : a*b


x= mul(10,5)
print(x)


50

abs = lambda x : x if x>0 else -x # abs function


abs(10)


10

abs(-3)


3

(lambda x : x if x>0 else -x)(-10)


10

def run_func(func, param):
    return func(param)


run_func(lambda x: x if x>0 else -x, 10)


10

run_func(lambda x: x if x>0 else -x, -10)


10

abs = lambda x: x if x>0 else -x
run_func(abs, -10)


10