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Q.1 Name some common data structures of python’s pandas library. Q.2 Given a list L=[3,4,5] and an ndarray N having elements 3,4,5. ... Q.4 Why does python change the datatype of a column as soon as it stores an empty value(NaN) even though it has all other values stored as integer. ... Now she wants to add a new column ‘Address’ to the ... ................
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