我有一個很難理解爲什麼我不能從這個簡單的功能分配一個返回值的變量gcd
:分配返回值給一個變量
def euclidAlgorithm(m, n):
if n == 0:
print "n cannot be zero."
return -1
r = m % n # Remainder
if r == 0:
return n
else:
euclidAlgorithm(n, r)
if __name__ == "__main__":
#Input values
m = 54
n = 36
print "Input : m = ", m, " n = ", n
gcd = euclidAlgorithm(m, n)
if gcd == -1:
print "Function terminated with an error"
else:
print "Output: gcd = ", gcd
非但沒有gcd
作爲18我運行它時得到這個:
Input : m = 119 n = 4
Output: gcd = None