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Identify the error in the following code block intended to replace missing values in the sqft column of DataFrame storesDF with the value 30,000:
sqft
storesDF
storesDF.na.fill(30000, "sqft")
Sample of DataFrame storesDF:
storeld sqft 0 43161 1 51200 2 null 3 78367 4 null ...
A
The argument to the subset parameter of fill() should be a string column name or a list of string column names rather than a Column object.
B
The na.fill() operation does not work and should be replaced by the dropna() operation.
C
The argument to the subset parameter of fill() should be a the numerical position of the column rather than a Column object.
D
The na.fill() operation does not work and should be replaced by the nafill() operation.
E
The na.fill() operation does not work and should be replaced by the fillna() operation.
