Python (Basic Recap)

List

append

a = [1, 2, 3]

a.append(4)
a

[1, 2, 3, 4]

slicing

a[1:3]

[2, 3]

pop

a.pop()
a

[1, 2, 3]

insert

a.insert(1,10)

a[1]

10

a

[1, 10, 2, 3]

remove

a.remove(10)
a

[1, 2, 3]

a.extend([10, 20, 30, 40])
a

[1, 2, 3, 10, 20 , 30, 40]

if문

x = 3
y = 2

if x == y:
	print("같습니다.")
elif x>y:
	print("x가 큽니다.")
else:
	print("y가 큽니다.")

x가 큽니다.

반복문

t = [1, 2, 3, 4, 5]
y = []

for n in t:
	y.append(n**2)
    
y

[1, 4, 9, 16, 25]

t = [1, 2, 3, 4, 5]
y = []
for n in t:
	y.append(n**2)
y