Listas

append.py

# Append

#a = [1, 2, 4, 8]
#a.append(16)
#print(a)          #[1, 2, 4, 8, 16]

#b = []
#for i in range(10):
#    x = int(input())
#    b.append(x)
#    print(b)

#c = list(map(int, input().split()))
#print(c)

d = list(range(1,21,2))
print(d)

copia.py

# Cópia de Listas

a = [1, 2, 4, 8]
b = a[:] 
b[0] = 7
a[3] = 5
print(a)  # [1, 2, 4, 5]
print(b)  # [7, 2, 4, 8]

print(a[:2])
print(a[0:2])
print(a[2:len(a)])

extend.py

# linha por linha
b = []
for i in range(4):
    x = int(input())
    b.append(x)
    print(b)

# todos em uma linha
c = list(map(int, input().split(",")))
print(c[0])


b.extend(c)
d = b + c
print(b)
print(d)

virgula.py

a,b = input().split(",")
print(a)
print(b)

x = list(input().split(","))
print(x[0])
print(x[1])

print("%3e" % 123.4)