Programa Python Fatorial

#easy way to find factorial of number with while
b=1
a=int(input('the number to be entered'))
c=1
while c<=a:
    b*=c
    c+=1
print('factorial',a,'is',b)

#output:
the number to be entered x
factorial x is x!
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Gr@Y_orphan_ViLL@in##