range
12345678910111213141516171819202122232425262728293031323334
print("@1--------------------------")
a=[1,2,3]
print(a)
print("@2--------------------------")
print(a[1])
print("@3--------------------------")
a.append(4)
print(a)
print("@4--------------------------")
for i in range(5,9):
a.append(i)
print(a)
print("@5--------------------------")
sum=0
for i in a:
sum += i
print(sum)
print("@6--------------------------")
sum =0
for i in range(9):
sum += i
print(sum)
print("@7--------------------------")
print(list(range(1,9)))
print("@8--------------------------")
print(len(a))
Python
INFO