Introduction to Python Programming (CSC 122 Lecture 1)

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What happens when you try to add an integer to a string in Python?

An error occurs because Python cannot implicitly convert the integer to a string (correct)
The integer is converted to a string and concatenated with the other string
The string is converted to an integer and added to the other integer
Python automatically converts both the integer and string to floats and performs addition

Which built-in functions can be used to convert an integer to a float in Python?

str()
int()
convert()
float() (correct)

What happens when you try to convert a non-numeric string to an integer in Python?

Python automatically converts the string to '0'
The string is converted to the ASCII code of its first character
An error occurs because Python cannot convert non-numeric strings to integers (correct)
The string is treated as 'NaN'

What is the result of the expression '10 / 2' in Python?

5 (A), 5.0 (D) Signup and view all the answers

How can you instruct Python to read data from a user during program execution?

With the input() function (A) Signup and view all the answers

What is the purpose of using 'int()' and 'float()' functions in Python according to the text?

To explicitly convert between integers and floating-point numbers (A) Signup and view all the answers

What will be the output of the following code snippet? x = 5 if x < 6: print('Less than 6') if x > 100: print('More than 100')

Less than 6 (C) Signup and view all the answers

What does a Boolean expression using comparison operators evaluate to?

True/False or Yes/No (D) Signup and view all the answers

In Python, which operator is used for 'Greater than or Equal to'?

>= (C) Signup and view all the answers

Consider the code snippet. What will be printed? x = 4 if x > 2 : print('Bigger') else : print('Smaller')

Smaller (A) Signup and view all the answers

What happens in a two-way decision in programming?

One path is chosen based on whether a logical expression is true or false (C) Signup and view all the answers

Which of the following is true about comparison operators in Python?

'=' is a comparison operator used to check equality (D) Signup and view all the answers

What must be done to read a number from the user in Python?

Convert the input from a string to a number (A) Signup and view all the answers

What is the purpose of a # in Python code?

Turn off a line of code (D) Signup and view all the answers

What does the variable 'bigword' store in the given code snippet?

The most common word in the file (D) Signup and view all the answers

What does 'counts.get(word,0) + 1' accomplish in the code snippet?

Adds 1 to the count of a word in the dictionary (D) Signup and view all the answers

What does 'usf = int(inp) + 1' do in the given code snippet?

Converts user input to an integer and adds 1 to it (D) Signup and view all the answers

Why would you use comments in Python code?

To turn off specific lines of code temporarily (B) Signup and view all the answers

What type of language is Python considered to be?

Interpreted language (B) Signup and view all the answers

Which of the following is NOT a Python data type?

Double (A) Signup and view all the answers

What does a 'constant' refer to in Python?

Fixed values whose value does not change (B) Signup and view all the answers

What do 'Reserved Words' refer to in Python?

Words that cannot be used as variable names (D) Signup and view all the answers

What is a 'variable' in Python?

A named place in memory where data can be stored and retrieved using a name (A) Signup and view all the answers

What is the rule for Python variable names?

Must start with a letter or underscore, followed by letters, numbers, and underscores (C) Signup and view all the answers

What is the purpose of an assignment statement in Python?

To assign a value to a variable (D) Signup and view all the answers

What does an asterisk (*) represent in numeric expressions in Python?

Multiplication (A) Signup and view all the answers

What is the purpose of a 'Constant' in programming?

To store fixed values that do not change during program execution (A) Signup and view all the answers

What does '%' represent in numeric expressions in Python?

Remainder (C) Signup and view all the answers