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
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Which of the following statements a), b) or c) is false?
O a. The following session defines a maximum function that determines and returns the largest of three values then calls the function three times with integers, floating-point numbers and strings,
respectively.
In [1]: def maximum(value1, value2, value3):
""Return the maximum of three values."""
max_value = valuel
if value2 > max_value:
max_value = value2
if value3 > max_value:
max_value = value3
return max_value
In [2]: maximum(12, 27, 36)
Out[2): 36
In [3]: maximum(12.3, 45.6,9.7)
Out[3]: 45.6
In [4]: maximum(yellow', 'red', 'orange')
Out[4]: 'yellow'
O b. You also may call maximum with mixed types, such as ints and floats:
In [5]: maximum(13.5, -3, 7)
Out[5]: 13.5
O c. The call maximum(13.5, 'hello', 7) results in TypeError because strings and numbers cannot be compared to one another with the greater-than (>) operator.
O d. All of the above statements are true.
Transcribed Image Text:Which of the following statements a), b) or c) is false? O a. The following session defines a maximum function that determines and returns the largest of three values then calls the function three times with integers, floating-point numbers and strings, respectively. In [1]: def maximum(value1, value2, value3): ""Return the maximum of three values.""" max_value = valuel if value2 > max_value: max_value = value2 if value3 > max_value: max_value = value3 return max_value In [2]: maximum(12, 27, 36) Out[2): 36 In [3]: maximum(12.3, 45.6,9.7) Out[3]: 45.6 In [4]: maximum(yellow', 'red', 'orange') Out[4]: 'yellow' O b. You also may call maximum with mixed types, such as ints and floats: In [5]: maximum(13.5, -3, 7) Out[5]: 13.5 O c. The call maximum(13.5, 'hello', 7) results in TypeError because strings and numbers cannot be compared to one another with the greater-than (>) operator. O d. All of the above statements are true.
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