So I couldn't return keygen(n)
if I type in n=0
or n<0
. However, it could call keygen(n)
if my first entry is >0 .
请帮忙
import random
import string
import base64
def keygen(n):
end_string=''
for i in range(n-1):
alpha = random.choice(string.ascii_letters)
end_string += alpha
b64_string=base64.b64encode(bytes(end_string,'utf-8'))
return b64_string
def main():
n=int(input('\nnumber of iterations\n'))
if n > 0:
return keygen(n)
else:
print('\nplease type in non-zero value!!\n')
return main()