import math

num_paths = math.factorial(40)/math.factorial(20)
print(num_paths)

num_paths2 = 1
for i in range(21,41):
    num_paths2 = num_paths2*i
print(num_paths2)
num_paths3=num_paths2/(math.factorial(20))
print(num_paths3)


699bb441c0f40372408bc32aeddb60795926dbc1
<mask token>

<mask token>
print(num_paths)
<mask token>
for i in range(21, 41):
    num_paths2 = num_paths2 * i
print(num_paths2)
<mask token>
print(num_paths3)

<mask token>
num_paths = math.factorial(40) / math.factorial(20)
print(num_paths)
num_paths2 = 1
for i in range(21, 41):
    num_paths2 = num_paths2 * i
print(num_paths2)
num_paths3 = num_paths2 / math.factorial(20)
print(num_paths3)

import math
num_paths = math.factorial(40) / math.factorial(20)
print(num_paths)
num_paths2 = 1
for i in range(21, 41):
    num_paths2 = num_paths2 * i
print(num_paths2)
num_paths3 = num_paths2 / math.factorial(20)
print(num_paths3)

import math

num_paths = math.factorial(40)/math.factorial(20)
print(num_paths)

num_paths2 = 1
for i in range(21,41):
    num_paths2 = num_paths2*i
print(num_paths2)
num_paths3=num_paths2/(math.factorial(20))
print(num_paths3)

