PYTHON
TIPS & TRICKS
A COLLECTION OF
,PYTHON
TIPS & TRICKS
A COLLECTION OF
1OO BASIC & INTERMEDIATE TIPS AND TRICKS
Benjamin Bennett Alexander
,Copyright © 2022 by Benjamin Bennett Alexander
All rights are reserved. No part of this publication may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means, electronic, mechanical, photocopying,
recording, or otherwise, without prior permission of the
publisher.
Every effort has been made in the preparation of this book to
ensure the accuracy of the information presented. However, we
do not warrant or represent its completeness or accuracy.
,Feedback and Reviews
I welcome and appreciate your feedback and reviews. Feedback
help independent writers reach more people. So please consider
leaving feedback on the platform you got this book from. Send
queries to: .
,Table of Contents
Feedback and Reviews................................................................3
About this Book...........................................................................9
1 Printing Horizontally...........................................................10
2 Merging Dictionaries...........................................................11
3 Calendar with Python..........................................................12
4 Get Current Time and Date................................................13
5 Sort a List in Descending Order........................................ 14
6 Swapping Variables.............................................................15
7 Counting Item Occurrences............................................... 16
8 Flatten a Nested List............................................................17
9 Index of the Biggest Number.............................................18
io Absolute Value of a Number............................................ 19
n Adding a Thousand Separator......................................... 20
12 Startswith and Endswith Methods................................. 21
13 Nlargest and Nsmallest.................................................... 22
14 Checking for Anagram...................................................... 23
15 Checking Internet Speed.................................................. 24
16 Python Reserved keywords.............................................. 25
17 Properties and Methods................................................... 26
18 Open a Website Using Python......................................... 27
19 Most Frequent in a String.................................................28
,20 Memory Size Check...........................................................29
21 Accessing Dictionary Keys............................................... 30
22 Iterable or Not....................................................................31
23 Sorting a List of Tuples.................................................... 32
24 Sort List with Sorted & Lambda..................................... 33
25 Access News Using Python.............................................. 34
26 A List of Tuples with Enumerate.................................... 35
27 Assertion............................................................................ 36
28 Print Colored Texts............................................................38
29 Find Index Using Enumerate.......................................... 39
30 Create Class Using Type Function................................. 40
31 Checking if a String is Empty.......................................... 41
32 Flatten Nested List............................................................42
33 Checking if a File Exists................................................... 43
34 Set Comprehension.......................................................... 44
35 Python *args and **Kwargs............................................. 45
36 The Filter Function........................................................... 46
37 Dictionary Comprehension.............................................. 48
38 DataFrame from Two Lists.............................................. 49
39 Adding a Column to a DataFrame.................................. 50
40 Timer Decorator............................................................... 51
41 List Comprehension vs Generators................................ 52
42 Writing to File....................................................................53
,43 Merge PDF Files.................................................................55
44 Return vs Yield...................................................................56
45 High Order Functions...................................................... 57
46 Grammar Errors................................................................58
47 Zen of Python..................................................................... 59
48 Sorted by Pprint.................................................................60
49 Convert Picture to Grey Scale......................................... 61
50 Time it with timeit............................................................ 62
51 Shortening URL with Python.......................................... 63
52 The Round Function......................................................... 64
53 Convert PDF files to Doc.................................................. 65
54 Text from PDF File........................................................... 66
55 Libraries Locations............................................................68
56 Create a Barcode................................................................69
57 Indices Using Len & Range Functions........................... 70
58 Convert Emoji to Text...................................................... 71
59 Currency Converter...........................................................72
60 Generate Custom Font..................................................... 73
61 Language Detector............................................................ 74
62 Refresh URL with Selenium............................................ 75
63 Substring of a String..........................................................76
64 Difference Between Two Lists......................................... 77
65 Sorting a List of Dictionaries........................................... 78
,66 Bytes to String....................................................................79
67 Multiple Input from User................................................ 80
68 The _iter_() Function...................................................... 81
69 Two Lists into a Diet......................................................... 82
70 Finding Permutations of a string.................................... 83
71 Unpacking a List................................................................ 84
72 Type Hints........................................................................ o85
73 File Location.......................................................................86
74 Python Deque.....................................................................87
75 Python ChainMap............................................................. 88
76 Progress Bar with Python................................................. 89
77 Convert Text to Handwriting........................................... 90
78 Taking a Screenshot......................................................... 91
79 Return Multiple Function Values................................... 92
80 Download YouTube Videos............................................. 93
81 Convert a String to a List................................................. 94
82 Loop Over Multiple Sequences....................................... 95
83 Extend vs. Append............................................................ 96
84 Memory and _slots_........................................................ 97
85 Watermark Image with Python....................................... 98
86 Extracting Zip Files..........................................................100
87 Generate Dummy Data....................................................101
88 Flatten a list with more_itertools.................................. 103
,89 Factorial of a Number......................................................104
90 List of Prime Numbers.....................................................105
91 RAM & CPU Usage............................................................106
92 Concatenation vs. Join.....................................................108
9 3 Recursion Limit.................................................................110
94 Country Info Using Python............................................ Ill
95 Factorial Using One Line................................................ 112
96 Spelling Errors..................................................................113
97 List Elements Identical?..................................................114
98 Censor Profanity with Python........................................ 115
99 Monotonic or Not?............................................................117
100 Find Factors of a Number............................................. 118
Other Books by Author...........................................................119
, About this Book
This book is a collection of Python tips and tricks. I have put
together 100 Python tips and tricks that you may find helpful if
you are learning Python. The tips cover mainly basic and
intermediate levels of Python.
In this book you will find tips and tricks on:
• How to print horizontally using the print function
• How to use list comprehensions to make code my concise
• How to update a dictionary using dictionary comprehensions
• How to merge dictionaries
• Swapping variables
• Merging PDF files
• Creating DataFrames using pandas
• Correct spelling errors with Python
• Censor profanity using Python
• How to reset recursion limit
• Extracting zip files using Python
• Converting text to handwriting
• Taking screen shots with Python
• Generate dummy data with Python
• Finding permutations of a string
• Using sort method and sorted function to sort iterables
• Writing CSV files and many more
To fully benefit, please try your best to write the code down and
run it. It is important that you try to understand how the code
works. Modify and improve the code. Do not be afraid to
experiment.
By the end of it all, I hope that the tips and tricks will help you
level up your Python skills and knowledge.
Let’s get started.
TIPS & TRICKS
A COLLECTION OF
,PYTHON
TIPS & TRICKS
A COLLECTION OF
1OO BASIC & INTERMEDIATE TIPS AND TRICKS
Benjamin Bennett Alexander
,Copyright © 2022 by Benjamin Bennett Alexander
All rights are reserved. No part of this publication may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means, electronic, mechanical, photocopying,
recording, or otherwise, without prior permission of the
publisher.
Every effort has been made in the preparation of this book to
ensure the accuracy of the information presented. However, we
do not warrant or represent its completeness or accuracy.
,Feedback and Reviews
I welcome and appreciate your feedback and reviews. Feedback
help independent writers reach more people. So please consider
leaving feedback on the platform you got this book from. Send
queries to: .
,Table of Contents
Feedback and Reviews................................................................3
About this Book...........................................................................9
1 Printing Horizontally...........................................................10
2 Merging Dictionaries...........................................................11
3 Calendar with Python..........................................................12
4 Get Current Time and Date................................................13
5 Sort a List in Descending Order........................................ 14
6 Swapping Variables.............................................................15
7 Counting Item Occurrences............................................... 16
8 Flatten a Nested List............................................................17
9 Index of the Biggest Number.............................................18
io Absolute Value of a Number............................................ 19
n Adding a Thousand Separator......................................... 20
12 Startswith and Endswith Methods................................. 21
13 Nlargest and Nsmallest.................................................... 22
14 Checking for Anagram...................................................... 23
15 Checking Internet Speed.................................................. 24
16 Python Reserved keywords.............................................. 25
17 Properties and Methods................................................... 26
18 Open a Website Using Python......................................... 27
19 Most Frequent in a String.................................................28
,20 Memory Size Check...........................................................29
21 Accessing Dictionary Keys............................................... 30
22 Iterable or Not....................................................................31
23 Sorting a List of Tuples.................................................... 32
24 Sort List with Sorted & Lambda..................................... 33
25 Access News Using Python.............................................. 34
26 A List of Tuples with Enumerate.................................... 35
27 Assertion............................................................................ 36
28 Print Colored Texts............................................................38
29 Find Index Using Enumerate.......................................... 39
30 Create Class Using Type Function................................. 40
31 Checking if a String is Empty.......................................... 41
32 Flatten Nested List............................................................42
33 Checking if a File Exists................................................... 43
34 Set Comprehension.......................................................... 44
35 Python *args and **Kwargs............................................. 45
36 The Filter Function........................................................... 46
37 Dictionary Comprehension.............................................. 48
38 DataFrame from Two Lists.............................................. 49
39 Adding a Column to a DataFrame.................................. 50
40 Timer Decorator............................................................... 51
41 List Comprehension vs Generators................................ 52
42 Writing to File....................................................................53
,43 Merge PDF Files.................................................................55
44 Return vs Yield...................................................................56
45 High Order Functions...................................................... 57
46 Grammar Errors................................................................58
47 Zen of Python..................................................................... 59
48 Sorted by Pprint.................................................................60
49 Convert Picture to Grey Scale......................................... 61
50 Time it with timeit............................................................ 62
51 Shortening URL with Python.......................................... 63
52 The Round Function......................................................... 64
53 Convert PDF files to Doc.................................................. 65
54 Text from PDF File........................................................... 66
55 Libraries Locations............................................................68
56 Create a Barcode................................................................69
57 Indices Using Len & Range Functions........................... 70
58 Convert Emoji to Text...................................................... 71
59 Currency Converter...........................................................72
60 Generate Custom Font..................................................... 73
61 Language Detector............................................................ 74
62 Refresh URL with Selenium............................................ 75
63 Substring of a String..........................................................76
64 Difference Between Two Lists......................................... 77
65 Sorting a List of Dictionaries........................................... 78
,66 Bytes to String....................................................................79
67 Multiple Input from User................................................ 80
68 The _iter_() Function...................................................... 81
69 Two Lists into a Diet......................................................... 82
70 Finding Permutations of a string.................................... 83
71 Unpacking a List................................................................ 84
72 Type Hints........................................................................ o85
73 File Location.......................................................................86
74 Python Deque.....................................................................87
75 Python ChainMap............................................................. 88
76 Progress Bar with Python................................................. 89
77 Convert Text to Handwriting........................................... 90
78 Taking a Screenshot......................................................... 91
79 Return Multiple Function Values................................... 92
80 Download YouTube Videos............................................. 93
81 Convert a String to a List................................................. 94
82 Loop Over Multiple Sequences....................................... 95
83 Extend vs. Append............................................................ 96
84 Memory and _slots_........................................................ 97
85 Watermark Image with Python....................................... 98
86 Extracting Zip Files..........................................................100
87 Generate Dummy Data....................................................101
88 Flatten a list with more_itertools.................................. 103
,89 Factorial of a Number......................................................104
90 List of Prime Numbers.....................................................105
91 RAM & CPU Usage............................................................106
92 Concatenation vs. Join.....................................................108
9 3 Recursion Limit.................................................................110
94 Country Info Using Python............................................ Ill
95 Factorial Using One Line................................................ 112
96 Spelling Errors..................................................................113
97 List Elements Identical?..................................................114
98 Censor Profanity with Python........................................ 115
99 Monotonic or Not?............................................................117
100 Find Factors of a Number............................................. 118
Other Books by Author...........................................................119
, About this Book
This book is a collection of Python tips and tricks. I have put
together 100 Python tips and tricks that you may find helpful if
you are learning Python. The tips cover mainly basic and
intermediate levels of Python.
In this book you will find tips and tricks on:
• How to print horizontally using the print function
• How to use list comprehensions to make code my concise
• How to update a dictionary using dictionary comprehensions
• How to merge dictionaries
• Swapping variables
• Merging PDF files
• Creating DataFrames using pandas
• Correct spelling errors with Python
• Censor profanity using Python
• How to reset recursion limit
• Extracting zip files using Python
• Converting text to handwriting
• Taking screen shots with Python
• Generate dummy data with Python
• Finding permutations of a string
• Using sort method and sorted function to sort iterables
• Writing CSV files and many more
To fully benefit, please try your best to write the code down and
run it. It is important that you try to understand how the code
works. Modify and improve the code. Do not be afraid to
experiment.
By the end of it all, I hope that the tips and tricks will help you
level up your Python skills and knowledge.
Let’s get started.
