Introduction to Python Programming
Course Notes

📄 164 pages

🔗 Book link

#Python
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Python tricks and tips
Section 2: Strings
Lesson 8: Creating a single string

Code snippet to copy:
a = [“I”, “am”, “not”, “available”]
print(“ “.join(a))

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𝗘𝗡𝗝𝗢𝗬 𝗟𝗘𝗔𝗥𝗡𝗜𝗡𝗚👍👍

Python tricks and tips
Section 2: Strings
Lesson 10: Checking if two words are anagrams

Code snippet to copy:
from collections import Counter
def is_anagram(str1, str2):
return Counter(str1) == Counter(str2)
print(is_anagram(‘taste’, ‘state))
print(is_anagram(‘beach’, ‘peach’))

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Python Frameworks and Libraries

Django is the most popular framework among Python developers. No surprise here, seeing how Web development is so popular among Python users. Interestingly, 43% of respondents are using IPython, which clearly shows it’s being used not only for scientific purposes, but for general software development as well.

A large number of respondents also specified Flask as their framework of choice.

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𝗘𝗡𝗝𝗢𝗬 𝗟𝗘𝗔𝗥𝗡𝗜𝗡𝗚👍👍

Python tricks and tips
Section 3: Matrix
Lesson 11: Transposing a matrix

Code snippet to copy:
mat = [[8, 9, 10], [11, 12, 13]]
new_mat=zip(*mat)
for row in new_mat:
print(row)

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𝗘𝗡𝗝𝗢𝗬 𝗟𝗘𝗔𝗥𝗡𝗜𝗡𝗚👍👍

Python Notes

📄 40 pages

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Python Strings Cheat Sheet

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𝗘𝗡𝗝𝗢𝗬 𝗟𝗘𝗔𝗥𝗡𝗜𝗡𝗚👍👍

Python tricks and tips
Section 6: Dictionary
Lesson 13: Inverting the Dictionary

Code snippet to copy:
dict1={‘a’: 1, ‘b’: 2,‘c’: 3,‘d’: 4,‘e’: 5,‘f’: 6, ‘g’: 7}
dict2={v: k for k, v in dict1.items()}
print(dict2)

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𝗘𝗡𝗝𝗢𝗬 𝗟𝗘𝗔𝗥𝗡𝗜𝗡𝗚👍👍

Software Engine Usage

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@jobsandinternshipsupdates

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Python tricks and tips
Section 6: Dictionary
Lesson 14: Iterating value pairs and dictionary keys

Code snippet to copy:
dict1={‘a’: 1, ‘b’: 2, ‘c’: 3, ‘d’: 4, ‘e’: 5, ‘f’: 6}
for a, b in dict1.iteritems():
print (‘{: {}’.format(a,b))

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𝗘𝗡𝗝𝗢𝗬 𝗟𝗘𝗔𝗥𝗡𝗜𝗡𝗚👍👍

Get all Off Campus Job alerts, internship updates, interview material regularly here 👇

@jobsandinternshipsupdates

@jobsandinternshipsindia

Python Notes Basics of Python programming

📄 29 pages

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Python tricks and tips
Section 6: Dictionary
Lesson 15: Merging multiple dictionaries

Code snippet to copy:
x = {'a': 1, 'b': 2}
y = {'b': 3, 'c': 4}
z = {x, y}
print(z)

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𝗘𝗡𝗝𝗢𝗬 𝗟𝗘𝗔𝗥𝗡𝗜𝗡𝗚👍👍

Features of Python

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Chaining Of Comparison Operators

Code snippet to copy:
n = 10
result = 1 < n < 20
print(result)
result = 1 > n <= 9
print(result)

Output:
True
False

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General python usage

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𝗘𝗡𝗝𝗢𝗬 𝗟𝗘𝗔𝗥𝗡𝗜𝗡𝗚👍👍

Python tricks and tips
Section 2: Strings
Lesson 8: Printing out multiple values of strings

Code snippet to copy:
print(“on”*3+’ ‘+”off”*2)

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𝗧𝗵𝗼𝘀𝗲 𝘄𝗮𝗻𝘁 𝘁𝗼 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲 𝗰𝗼𝗺𝗽𝗲𝘁𝗶𝘁𝗶𝘃𝗲 𝗽𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗼𝗿 𝘄𝗮𝗻𝘁 𝘁𝗼 𝗽𝗮𝗿𝘁𝗶𝗰𝗶𝗽𝗮𝘁𝗲 𝗶𝗻 𝗰𝗼𝗺𝗽𝗲𝘁𝗶𝘁𝗶𝘃𝗲 𝗽𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗰𝗼𝗻𝘁𝗲𝘀𝘁𝘀 𝗷𝗼𝗶𝗻 𝘁𝗵𝗲𝘀𝗲 𝗯𝗲𝗹𝗼𝘄 𝗴𝗿𝗼𝘂𝗽𝘀👇👇.

𝟭. 𝗚𝗲𝗻𝗲𝗿𝗮𝗹 𝗗𝗶𝘀𝗰𝘂𝘀𝘀𝗶𝗼𝗻 𝗚𝗿𝗼𝘂𝗽:

@cp_discussion_group

@cp_coding_grp

@allcodingsolution_official

𝟮. 𝗟𝗘𝗘𝗧𝗖𝗢𝗗𝗘 𝗗𝗶𝘀𝗰𝘂𝘀𝘀𝗶𝗼𝗻 𝗚𝗿𝗼𝘂𝗽:

@leetcode_cp

𝟯. 𝗖𝗢𝗗𝗘𝗙𝗢𝗥𝗖𝗘𝗦 𝗗𝗶𝘀𝗰𝘂𝘀𝘀𝗶𝗼𝗻 𝗚𝗿𝗼𝘂𝗽:

@codeforces_cp

𝟰. 𝗖𝗢𝗗𝗘𝗖𝗛𝗘𝗙 𝗗𝗶𝘀𝗰𝘂𝘀𝘀𝗶𝗼𝗻 𝗚𝗿𝗼𝘂𝗽:

@codechef_group

𝟱. 𝗚𝗘𝗘𝗞𝗦𝗙𝗢𝗥𝗚𝗘𝗘𝗞𝗦 𝗗𝗜𝗦𝗖𝗨𝗦𝗦𝗜𝗢𝗡 𝗚𝗿𝗼𝘂𝗽:

@gfg_discuss

Python 3 cheat sheet

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