امثلة على المصفوفات arrays في بايثون

numbers=[12,2,22,2,94,2]
print(numbers[0])
print(numbers[3])
print(numbers[-1]) #prints 2
print(numbers[2:5]) #prints: 22,2,94
print(numbers[:4]) #prints: 12,2,22,2
print(numbers[2:]) #prints: 22,2,94,2
print(numbers[-4:-1]) #prints: 22,2,94

thislist = ["apple", "banana", "cherry"]
print(thislist)

print("list length is : "+len(thislist))



#Check if "apple" is present in the list:
if "apple" in thislist:
  print("Yes, 'apple' is in the fruits list")

#String, int and boolean data types:
list1 = ["apple", "banana", "cherry"]
list2 = [1, 5, 7, 9, 3]
list3 = [True, False, False]


#A list with strings, integers and boolean values:
list1 = ["abc", 34, True, 40, "male"]

#Change the second item:
thislist = ["apple", "banana", "cherry"]
thislist[1] = "blackcurrant"
print(thislist)




#Change the values "banana" and "cherry" with the values "blackcurrant" and "watermelon":
thislist = ["apple", "banana", "cherry", "orange", "kiwi", "mango"]
thislist[1:3] = ["blackcurrant", "watermelon"]
print(thislist)



#Change the second value by replacing it with two new values:
thislist = ["apple", "banana", "cherry"]
thislist[1:2] = ["blackcurrant", "watermelon"]
print(thislist)




#Change the second and third value by replacing it with one value:
thislist = ["apple", "banana", "cherry"]
thislist[1:3] = ["watermelon"]
print(thislist)



#Insert "watermelon" as the third item:
thislist = ["apple", "banana", "cherry"]
thislist.insert(2, "watermelon")
print(thislist)

#Using the append() method to append an item:
thislist = ["apple", "banana", "cherry"]
thislist.append("orange")
print(thislist)


#Insert an item as the second position:
thislist = ["apple", "banana", "cherry"]
thislist.insert(1, "orange")
print(thislist)



#Add the elements of tropical to thislist:
thislist = ["apple", "banana", "cherry"]
tropical = ["mango", "pineapple", "papaya"]
thislist.extend(tropical)
print(thislist)




#Add elements of a tuple to a list:
thislist = ["apple", "banana", "cherry"]
thistuple = ("kiwi", "orange")
thislist.extend(thistuple)
print(thislist)

#Remove "banana":
thislist = ["apple", "banana", "cherry"]
thislist.remove("banana")
print(thislist)


#Remove the second item:
thislist = ["apple", "banana", "cherry"]
thislist.pop(1)
print(thislist)


#Remove the last item:
thislist = ["apple", "banana", "cherry"]
thislist.pop()
print(thislist)


#Remove the first item:
thislist = ["apple", "banana", "cherry"]
del thislist[0]
print(thislist)


#Delete the entire list:
thislist = ["apple", "banana", "cherry"]
del thislist


#Clear the list content:
thislist = ["apple", "banana", "cherry"]
thislist.clear()
print(thislist)

#Print all items in the list, one by one:
thislist = ["apple", "banana", "cherry"]
for x in thislist:
  print(x)




#Print all items by referring to their index number:
thislist = ["apple", "banana", "cherry"]
for i in range(len(thislist)):
  print(thislist[i])





#Print all items, using a while loop to go through all the index numbers
thislist = ["apple", "banana", "cherry"]
i = 0
while i < len(thislist):
  print(thislist[i])
  i = i + 1




#A short hand for loop that will print all items in a list:
thislist = ["apple", "banana", "cherry"]
[print(x) for x in thislist]