[Python] Square Every Digit of a Number in Python? [duplicate]

if we run 9119 through the function, 811181 will come out, because 9² is 81 and 1² is 1.

write a code but this not working.

def sq(num):
words = num.split() # split the text
for word in words: # for each word in the line:
print(word**2) # print the word

num = 9119
sq(num)

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