def infPi(num):
pi = 0
for i in range(num):
pi += (1/((2(i+1)-1)**2)
print(pi*4)
语法错误的是 "Print(pi*4) "这一行。
末尾少了一个括号,第四行有语法错误( pi += (1/(2*(i+1)-1)**2)
),这样试试。
def infPi(num):
pi = 0
for i in range(num):
pi += (1/(2*(i+1)-1)**2)
print(pi*4)