The required program which prints each letter of a string on a Seperate line written in python 3 is as follows :
def strings(string_list):
#initialize a function named strings which takes in one parameter.
for i in sl :
#the for loop iterates through each letter in the parameter passed into the function
print(i)
#display each letter of the string.
The function can be called using the example below and the output ia also attached.
strings(cup)
Hence, the program.
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