Tips & Tricks In Python

Raghav Mrituanjaya

Cover Image for Tips & Tricks In Python

In this short yet effective post,  we will discuss some of the top tips and tricks in python that might help you write your code faster 🚀

Reversing a string

s = "This is a String"
print(s[::-1])

Removing duplicates from a list

a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
b = list(set(a))
print(b)

Merging Two or More Dictionaries

a = {'a': 1, 'b': 2}
b = {'c': 3, 'd': 4}
c = {**a, **b}
  • This trick might only work for Python version >= 3.5

Converting a list of strings into a string

a = ['a', 'b', 'c']
b = ''.join(a)
print(b)

Retrieving the memory size

a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
print(sys.getsizeof(a), "Bytes")
print(sys.getsizeof(a) / 1024, "Megabytes")

Formatting Numbers

num1 = 100_000_000_000
num2 = 100_000_000_000
num3 = num1+num2
print(f"{num3:,}")
  • The output now will be 200,000,000,000

Final Thoughts

  • This post may get updated from time to time
  • If you would like to mention any tricks kindly note them in the comment section below

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