Programming and Problem Solving through Python
Question & Answer
Question : 1
What is the difference between a keyword and an identifier?
Question : 2
What are literals in Python? How many types of Literals allowed in Python?
Question : 3
How many types of sequences are supported in Python?
Question : 4
What factors guide the choice of identifiers in program?
Question : 5
What is the difference between an expression and a statement in Python?
Question : 6
What are tokens in Python? How many types of tokens allowed in Python?
Question : 7
What is the role of indentation in Python?
Question : 8
What are data types? What are Python built in core data types?
Question : 9
Which data types of Python handle Numbers?
Question : 10
What do you understand by term immutable?
Question : 11
What are mutable and immutable types in Python? List both of them.
Question : 12
What are augmented assignment operators? How are they useful?
Question : 13
Why are logical errors harder to locate?
Question : 14
What is an Exception?
Question : 15
Why is Exception Handling is required?
Question : 16
What is the need for debugger tool?
Question : 17
What are main error types? Which types are most dangerous and why?
Question : 18
What is a difference between an error and exception?
Question : 19
What is debugging and code tracing?
Question : 20
What are nested Lists?
Question : 21
Discuss the utility and significance of Lists.
Question : 22
What is the purpose of the del operator and pop method? Try deleting a slice.
Question : 23
What are list slices?
Question : 24
What do you understand by true copy of a list? How is it different from shallow copy?
Question : 25
What do you understand by immutability?
Question : 26
How are Tuples different from Lists when both are sequences?
Question : 27
Discuss the utility and significance of Tuples.
Question : 28
How can you say that a tuple is an ordered list of objects?
Question : 29
How are dictionaries different from Lists?
Question : 30
When are dictionaries more useful than lists?
Question : 31
Discuss the utility and significance of Dictionaries.
Question : 32
Why is a dictionary termed as an unordered collection of objects?
Question : 33
How is clear() function different from del
Question : 34
What is the significance of modules?
Question : 35
What is dot notation of referring to objects inside a module?
Question : 36
What is a function? How is it useful?
Question : 37
What is Pandas library of Python? What is its significance?
Question : 38
How is Series data structure different from a DataFrame data structure?
Question : 39
What is a DataFrame object? How it is created in Python?
Question : 40
What are advantages of CSV file formats?
Question : 41
What is sqlite3 library of Python?
Question : 42
Can nongraphic characters be used in Python ? How ? Give examples to support your answer.
Question : 43
What is a cross-platform software?
Question : 44
What are the advantages of Python programming language?
Question : 45
What are some limitations of Python programming language?
Question : 46
In how many different ways, can you work in Python?
Question : 47
What are advantages/disadvantages of working in Interactive mode in Python?
Question : 48
What are the advantages/disadvantages of working in script mode in Python?
Question : 49
How are keywords different from identifiers ?
Question : 50
How are floating constants represented in Python ? Give examples to support your answer.
Question : 51
How are string-literals represented and implemented in Python ?
Question : 52
What are operators ? What is their function ? Give examples of some unary and binary operators.
Question : 53
What is an expression and a statement ?
Question : 54
What all components can a Python program contain ?
Question : 55
What do you understand by block/code block/suite in Python ?
Question : 56
What are variables ? How are they important for a program ?
Question : 57
What do you understand by undefined variable in Python ?
Question : 58
What is Dynamic Typing feature of Python ?
Question : 59
What is the common structure of Python compound statements?
Question : 60
What is the importance of the three programming constructs?
Question : 61
What is empty statement in Python? What is its need?
Question : 62
Which Python statement can be termed as empty statement?
Question : 63
What is an algorithm?
Question : 64
What is a flowchart? How is it useful?
Question : 65
What is entry-controlled loop?
Question : 66
What are the four elements of a while loop in Python?
Question : 67
What is the difference between else clause of if-else and else clause of Python loops?
Question : 68
In which cases, the else clause of a loop does not get executed?
Question : 69
What are jump statements? Name them.
Question : 70
How and when are named conditions useful?
Question : 71
What are endless loops ? Why do such loops occur?
Question : 72
How is break statement different from continue?
Question : 73
Define Operator and Operand.
Question : 74
What is the use of type()?
Question : 75
The modulus operator is used to produce the quotient in division. Is it True or False ?
Question : 76
Describe the use parentheses in expressions.
Question : 77
Describe how Python evaluates an expression containing parentheses.
Question : 78
Explain the use of the assignment operator.
Question : 79
What is the difference between Expressions and Operators?
Question : 80
Example not (boolean Not) with an example.
Question : 81
Example not (boolean Not) with an example.
Question : 82
Example and (boolean AND) with example.
Question : 83
Example or (boolean OR) with example.
Question : 84
Explain Associativity of operators wit6h example.
Question : 85
What is the difference between * and **? Explain with an example.
Question : 86
What is the difference between << (left shift) and >> (right shift) operators ?
Question : 87
What is the difference between & (bit-wise AND), and I (bit-wise OR) operators?
Question : 88
Explain not ( boolean NOT ) with an example
Question : 89
What is an expression ?
Question : 90
What is a statement ?
Question : 91
What do you mean by floor division ?
Question : 92
What is the difference between "=" and "==" ?
Question : 93
What don you mean by precedence and associativity of operators ?
Question : 94
What are Identity and Membership operators ?
Question : 95
Explain different bitwise operators.
Question : 96
What will be the result of 5.0/3 and 5.0 / / 3 ?
Question : 97
What is the difference between + and * operators of List ?
Question : 98
What is boolean data type ? Explain with an example.
Question : 99
What is the difference between pow() and**?
Question : 100
What is the deference between expression and statement ?
Question : 101
What is the difference between num = 20 and num == 20?
Question : 102
What is conditional branching ?
Question : 103
What is looping ?
Question : 104
Explain if statement.
Question : 105
Explain range() function ?
Question : 106
Mention the similarity and difference between break and continue statements.
Question : 107
What is the function of break statement in a while or for loop ?
Question : 108
What is the use of Control structures ?
Question : 109
How many types of control structures are there ? Explain.
Question : 110
Explain Selection logic.
Question : 111
What do you mean by flow-of-control ?
Question : 112
What do you mean by selection statements ?
Question : 113
What is the minimum number of iteration that while loop could make ?
Question : 114
What is the difference between entry controlled loop and exit-controlled loop?
Question : 115
What are jump statements ?
Question : 116
What is Iteration ?
Question : 117
What are strings ?
Question : 118
Differentiate between physical line and logical line.
Question : 119
What is the difference between (+) and (*) operators?
Question : 120
What is the difference between Istrip() and rstrip() ?
Question : 121
What do you mean by' strings are immutable ?
Question : 122
What is the function of slicing operation ?
Question : 123
What is the use of Docstrings ?
Question : 124
How are empty strings represented in Python ?
Question : 125
"The quotes are not a part of strings". Comment.
Question : 126
Differentiate between ord() and chr() functions.
Question : 127
Write short note on subscript.
Question : 128
What do you mean by positive and negative indices ?
Question : 129
'String indices must be an integer'. Comment.
Question : 130
What do you mean by traversing a string ?
Question : 131
Write short note on membership operators.
Question : 132
What is the significance of list ?
Question : 133
Lists are mutable. Comments ?
Question : 134
Why are Python Lists called dynamic arrays ?
Question : 135
How do list indices work in Python ?
Question : 136
Explain count() method with example.
Question : 137
What is index() method used for ?
Question : 138
What is aliasing ? Explain with an example.
Question : 139
What do you mean by sequence ?
Question : 140
What is indexing ?
Question : 141
What is the default value for the first index if you omit the first index value in a slice ?
Question : 142
What is the default value for the second index if you omit the second index value in a slice?
Question : 143
What is the purpose of negative slice indices ?
Question : 144
Explain the functions of del statement, pop() and remove().
Question : 145
If two list are equivalent, is it necessary that they are identical also. Explain with an example.
Question : 146
Name three types of sequence objects.
Question : 147
Which item in the sequence is selected for an index value of - 1?
Question : 148
Just like C, C++, and Java, Python supports character type; True or False ?
Question : 149
How are lists formed ?
Question : 150
What are the characteristics of list ?
Question : 151
What is tuple ?
Question : 152
A tuple in Python is immutable. Comment.
Question : 153
What is the difference between objects and methods ?
Question : 154
Is an item assignment an a tuple possible ?
Question : 155
What is len() function used for in list and tuple?
Question : 156
What is the use of in operator ?
Question : 157
Write short note on tuple assignment.
Question : 158
How will you create tuple with zero element and 1 element ?
Question : 159
Compare and contrast tuples and list.
Question : 160
Can we update tuples?
Question : 161
What is the difference between list and tuple ?
Question : 162
Identity the following as mutable or immutable:
lists, numbers, strings, tuples and dictionaries.
Question : 163
How will you create an empty tuple ?
Question : 164
What is dictionary?
Question : 165
Compare and contrast dictionaries (dicts) with other Python data types.
Question : 166
What are the advantages of hash ?
Question : 167
Does Python store dictionary elements in any particular order?
Question : 168
What is a mapping ?
Question : 169
What is another name for mapping ?
Question : 170
What are the characteristics of a Python dictionary?
Question : 171
A dictionary is an mutable object. Comment.
Question : 172
A dictionary is an unordered collection of objects. Comment.
Question : 173
Can sequence operations, such as slicing and concatenation, be applied to dictionaries?
Question : 174
Write the syntax of a dictionary.
Question : 175
Can you remove key:value pairs from a dictionary. If so, how ?
Question : 176
What do you mean by traversing a dictionary ?
Question : 177
Can you merge two dictionaries ? If so, how?
Question : 178
Discuss the properties of Dictionary Keys.
Question : 179
What do the keys(), values() and items() functions do ?
Question : 180
Write different capabilities of dictionary.
Question : 181
Write difference between lists and dictionaries.
Question : 182
What is the purpose of a header file in a Python program?
Question : 183
What is function ?
Question : 184
What are the advantages of using functions.
Question : 185
What is function definition ?
Question : 186
Write a short note on built-in function.
Question : 187
How is built-in function accessed ?
Question : 188
How will you import all functions in the math module ?
Question : 189
What is difference between cell() and floor() functions?
Question : 190
What is Python module ?
Question : 191
How will you import specific names only within a module?
Question : 192
Write short note on user defined function.
Question : 193
What is difference between pow() and **?
Question : 194
What do you mean by Regular expressions ?
Question : 195
What is a metacharacter?
Question : 196
How match() function is different from search() function ?
Question : 197
What do you mean by greedy match and non greedy match ?
Question : 198
Differentiate between max() and min() functions ?
Question : 199
Write a short note on random module.
Question : 200
Write a short note on randint().
Question : 201
Observe the following Python function and write the name(s) of the module(s) to which they belong:
a. uniform() b. findall()
Question : 202
What is file Pointer ?
Question : 203
Discuss various modes to open a file.
Question : 204
Write short note on binary mode of opening a file.
Question : 205
Differentiate between read() and readline().
Question : 206
Write function of a+ mode.
Question : 207
What are different ways to read from a file ?
Question : 208
What are command line arguments?
Question : 209
Why do we use command line arguments ?
Question : 210
What is the use of getopt method ?
Question : 211
What are the different file processing modes supported by Python ?
Question : 212
What is pickling and unpickling in Python ?
Question : 213
What is the use of offset ?
Question : 214
Write a statement in Python to open a text file DATA.TXT so that new contents can be written in it.
Question : 215
Differentiate between readlines() and readline() functions.
Question : 216
Name two functions which allow us to access a file in a non-sequential or random mode.
Question : 217
Name the file which is stored in human readable form and can also be created using any text editor.
Question : 218
What is the use of seek() and tell() methods?
Question : 219
What is the use of close() method ?
Question : 220
What do you understand by module and package ?
Question : 221
What do you mean by LEGB ?
Question : 222
What is namespace in Python ?
Question : 223
Name any two commonly used build-in modules.
Question : 224
What do you mean by Global variable ?
Question : 225
What do you mean by Built-in ?
Question : 226
What do you understand by following import statement :
from x import a, b, c
Question : 227
What do you mean by reloading module ?
Question : 228
How will you import all the attributes from a module ?
Question : 229
Write short note on from-import statement.
Question : 230
What is numpy ?
Question : 231
Name the module you will import to use numpy ?
Question : 232
What is slicing ?
Question : 233
What do you mean by Axes in numpy ?
Question : 234
What do you mean by Rank in numpy ?
Question : 235
Write short note on slicing.
Question : 236
What is the purpose of negative index values in NumPy ?
Question : 237
Define Array and NumPy array.
Question : 238
Explain membership operator in with example.
Question : 239
What is Numpy?