Which of the following creates a data frame? import panda as pd df = pd.DataFrame(data=['A'= {10, 100}, 'Z'= {20, 400} ] ) b. df = pd. DataFrame (data={'A'= [10, 100], 'Z'= [20, 400] } ) Oc. df = pd.DataFrame(data=['A': [10, 1001, 'Z': [20, 400] ] ) d. df = pd.DataFrame(data={'A': [10, 100], 'Z': [20, 400] } ) Which of the statements below change the value of "A" in this dictionary from 1 to 2? {"A": 1} Oa. dict[0] = 2 O b. dict["A": 21 Oc. dict += 1 Od. dict["A"] = 2
Which of the following creates a data frame? import panda as pd df = pd.DataFrame(data=['A'= {10, 100}, 'Z'= {20, 400} ] ) b. df = pd. DataFrame (data={'A'= [10, 100], 'Z'= [20, 400] } ) Oc. df = pd.DataFrame(data=['A': [10, 1001, 'Z': [20, 400] ] ) d. df = pd.DataFrame(data={'A': [10, 100], 'Z': [20, 400] } ) Which of the statements below change the value of "A" in this dictionary from 1 to 2? {"A": 1} Oa. dict[0] = 2 O b. dict["A": 21 Oc. dict += 1 Od. dict["A"] = 2
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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