list comprehension python starting in 1 code example

Example 1: list comprehension

# List comprehension 

        
list_comp = [i+3 for i in range(20)]

# above code is similar to 

for i in range(20):
	print(i + 3)

Example 2: list comprehension

[expr for val1 in collection1 and val2 collection2 if(condition)]