What will be the output of the following Python code? x = 'abcd' for i in x: print(i.upper())

Answer: Option D

In the given code, a string 'abcd' is assigned to the variable x.
Then, a for loop iterates over each character in the string x.
For each character i, the upper() method is called to convert it to uppercase.
The upper() method converts a string to uppercase.
Therefore, the output will be each character of the string 'abcd' converted to uppercase and printed on separate lines:
A
B
C
D.