Code snippets-1

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while ,match-case & except

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from logging import exception

words=[]

while True:

print("\n\n1.add a word to list")

print("2.show the list\n3.exit loop")

print ()

try:

action_num = int(input("Choose an action number: "))

prompt = "Enter a word: "

match action_num:

case 1:

words.append(input(prompt))

case 2:

for word in words:

if isinstance(word,str): #----------------------------------type checking

print(word.capitalize(),end=" ")

print (word.title(),end=" ")

else:

print("word is not string type")

case 3:

break

except Exception as e:

print("An error occurred",e)

finally:

print("End of try-except block.")

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enumerate & for

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for i, j in enumerate("Hello"):

print(i,j)

result

a=enumerate("a","b","c")

list(a)= [(0,a),(1,b),(2,c)]

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for ch in "Hello":

print(ch)

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buttons = [('John', 'Sen', 'Morro'), ('Lin', 'Ajay', 'Filip')]

for first, second in enumerate(buttons):

for name in second:

print(first,name)

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list sort

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wait_list=["sen","ben","john"]

wait_list.sort()

print(wait_list)

wait_list.sort(reverse=True)

print(wait_list)

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file

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file = open('words.txt','w')

file.writelines('first\nsecond\nthird')

file.close()

file = open('words.txt','r')

text=file.read()

print(text)