human
Sum of the Tan ( x ) expansion upto N terms | Function to find factorial of a number.
To store factorial of a number.
Return the factorial of a number.
Function to find tan ( x ) upto n terms.
To store value of the expansion.
This loops here calculate Bernoulli number which is further used to get the coefficient in the expansion of tan x.
Print the value of expansion.
Driver code.
Function call"
How can the above be solved in Python?

Can you provide a code to sum of the Tan ( x ) expansion upto N terms and the other steps required?
assistant
#Here is code to sum of the Tan ( x ) expansion upto N terms and the other steps required.
 def fac ( num ) :
	if ( num == 0 ) :
		return 1 ;
	fact = 1 ;
	for i in range ( 1 , num + 1 ) :
		fact = fact * i ;
	return fact ;
def Tanx_expansion ( terms , x ) :
	sum = 0 ;
	for i in range ( 1 , terms + 1 ) :
		B = 0 ;
		Bn = 2 * i ;
		for k in range ( Bn + 1 ) :
			temp = 0 ;
			for r in range ( 0 , k + 1 ) :
				temp = temp + pow ( - 1 , r ) * fac ( k ) * pow ( r , Bn ) / ( fac ( r ) * fac ( k - r ) ) ;
			B = B + temp / ( ( k + 1 ) ) ;
		sum = sum + pow ( - 4 , i ) * ( 1 - pow ( 4 , i ) ) * B * pow ( x , 2 * i - 1 ) / fac ( 2 * i ) ;
	print ( " % .9f " % ( sum ) ) ;
if __name__ == ' _ _ main _ _ ' :
	n , x = 6 , 1 ;
	Tanx_expansion ( n , x ) ;