圆周率

from tqdm import tqdm

def calculate_pi(iterations):
pi = 0
sign = 1
denominator = 1
for i in tqdm(range(iterations), desc="Calculating Pi"):
pi += sign * (4 / denominator)
sign *= -1
denominator += 2
return pi

iterations = 1000000 # 迭代次数，可增大以提高精度
pi_value = calculate_pi(iterations)
print(f"圆周率Pi的计算值为: {pi_value}")