from time import time as Now
import taichi as ti

ti.init()

t = Now()


@ti.kernel
def get_sum() -> ti.i64:
    sum = ti.cast(0, ti.i64)
    # sum=0
    for i1 in range(0, 1025):
        if (i1 % 50 == 0):
            print("i1 = ", i1, "*********************")
            print(f"第一重循环，每50个耗时 np:{Now()-t}")
            t = Now()
        for i2 in range(i1 + 1, 1026):
            if (i2 % 100 == 0):
                #print("i2 = ", i2)
                pass
            for i3 in range(i2 + 1, 1027):
                for i4 in range(i3 + 1, 1028):
                    for i5 in range(i4 + 1, 1029):
                        sum += 1
    return sum


ss = get_sum()

print(ss)
print(Now() - t)

需要pip install taichi，你也可以跑一下试试
【 在 ToSimplicity 的大作中提到: 】
: https://docs.python.org/3/reference/executionmodel.html#resolution-of-names
: https://docs.python.org/3/faq/programming.html#faq-unboundlocalerror
--
FROM 120.242.253.*