Question: T 1 . What are some of the differences between an array and a data frame? T 2 . In pandas, is a one -

T1. What are some of the differences between an array and a data frame?
T2. In pandas, is a one-column DataFrame just a Series? Why or why not?
T3. On pg.133 of PDA, the author states:
When you are assigning lists or arrays to a column, the values length must match the length of the DataFrame.
This is not true if you assign a dict or a Series to a column. Why not?

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