8000 new exercises · htudu/python_exercise@16c0fc4 · GitHub
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puja kumari
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new exercises
1 parent 6a67e02 commit 16c0fc4

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‎puja/dict_of_list.py

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# using two list, create dictionary.
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fruits = ['Banana', 'kiwi', 'Pomegranate', 'Apple']
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nutrition = ['calories', 'immunity', 'fiber', 'Vitamin']
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# creating dict using zip method
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def dict_of_list(lst1,lst2):
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d = dict(zip(lst1,lst2))
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return d
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print(f"new dictionary of two list : {dict_of_list(fruits, nutrition)}")
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# creating dict using lambda
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res = dict(map(lambda i,j : (i,j) , fruits,nutrition))
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print(res)
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# creating dict using for loop
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def listdictionary(lst1, lst2):
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for i in range(len(lst1)):
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# print(i)
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result = {lst1[i] : lst2[i]}
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print(f"new dictionary of list : {result}")
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listdictionary(fruits,nutrition)
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tmp = {}
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for i in range(len(fruits)):
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tmp[fruits[i]] = nutrition[i]
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# tmp["banana"] = "calories"
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print(tmp)

‎puja/find_5th_itm_in_list.py

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# Generate 10 random list, print the 5th item of the lists of all
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import random
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def random_generator():
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random_1 = []
@@ -24,7 +25,7 @@ def random_generator():
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random_10.append(x)
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return random_1, random_2, random_3, random_4, random_5, random_6, random_7, random_8, random_9, random_10
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xx = random_generator()
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print(xx)
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# print(xx)
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def generate_list(size):
@@ -35,6 +36,8 @@ def generate_list(size):
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return tmp
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for i in range(10):
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x = random.randint(5, 15)
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# x = random.randint(5,11)
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# ==== fixed length of list is 10
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x = 10
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tmp = generate_list(x)
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print(f"list {i} - {tmp}")
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print(f"list {i} - {tmp} - 5th item {tmp[4]}")

‎puja/find_indexs_of_item.py

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# find the indexs of the items in a list
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list1 = [2, 5, 1, 7, 9, 4, 3, 12, 16, 20 ]
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x = 12
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def index_of_items(lst):
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for i, a in enumerate(list1):
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print(f" index of item {a} : {i}")
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def index_of_selected_item(lst, itm):
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x = lst.index(itm)
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print(f"index of item in list : {x}")
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def index_of_item(ls):
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for i, a in enumerate(list1):
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if a == 7:
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print(f" index of item : {i}")
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index_of_items(list1)
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index_of_selected_item(list1, x)
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index_of_item(list1)

‎puja/no_of_item_in_list.py

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# How to find the number of items in a list.
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list1 = [6, 8, 12, 15, 3, 18, 7]
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# 1st approach
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print(f"total number of items in list is : {len(list1)}")
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# 2nd approach
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count = 0
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for i in list1:
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count = count+1
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print(f"total number of items in list is : {count}")

‎puja/product_of_list.py

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# find the product of the list of list and store in new list
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ls = [[2,8],[6,10],[3,2,5],[4,8,2]]
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def product_of_lst(lst):
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new_list = []
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for i in lst:
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product = 1
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for j in i:
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product = product * j
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new_list.append(product)
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return new_list
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# return product
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print(product_of_lst(ls))
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‎puja/random_function_generator.py

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# Generate random number in a list using function
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import random
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def random_generator(n):
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list_of_random = []

‎puja/random_length_of_list.py

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# Generate 10 random length of list
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import random
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def random_generator(n):
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list_of_random = []
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for i in range(n):
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x = random.randint(1,100)
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list_of_random.append(x)
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return list_of_random
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for i in range(10):
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# random number of list and size of list is also random
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x = random.randint(5, 15)
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xx = random_generator(x)
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print(f"list - {i} : {xx}")

‎puja/random_no.py

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# Generate random number in a list
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import random
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list_of_random = []
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‎puja/remove_list_item.py

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# remove an element from the list
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list1 = [1, 2, 5, 8, 3, 6]
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t = 5
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‎puja/reverse_of_random_number.py

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# Given list of 10 item , find the reverse of list
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import random
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def random_generator():
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list_of_random = []

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