Cheatsheet for Simple Things in Python

Format numbers with commas in a print statement

num_to_display = 1000000
print(f'displaying the number with commas {num_to_display:,}')

>>> 1,000,000

Format floats as percentage in a print statement

num_to_display = 10/22
print(f'displaying the number with commas {num_to_display:.2%}')

>>> 45.45%

Format floats with fixed number of decimals in a print statement

num_to_display = 10/22
print(f'displaying the number with commas {num_to_display:.2f}')

>>> 0.45

Use regex in Pandas - no sense in duplicating the excellent material on this blog, just go see the original source material