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1.Say hi--------------------------------------------- ----------------------------------------
Input: Two arguments. String and positive integer.
Output: String.
Example:
say_hi("Alex", 32) == "Hi. My name is Alex and I'm 32 years old"
say_hi("Frank", 68) == "Hi. My name is Frank and I'm 68 years old"
def say_hi(name, age):"""Hi!"""# your code herereturn "Hi. My name is " + name + " and I'm " + str(age) + " years old"2.Correct Sentence--------------------------------------------- ----------------------------------------
Pay attention to the fact that not all of the fixes is necessary. If a sentence already ends with a dot then adding another one will be a mistake.
Input: A string.
Output: A string.
Example:
correct_sentence("greetings, friends") == "Greetings, friends."
correct_sentence("Greetings, friends") == "Greetings, friends."
correct_sentence("Greetings, friends.") == "Greetings, friends."
def correct_sentence(text: str) -> str:"""returns a corrected sentence which starts with a capital letterand ends with a dot."""# your code hereif text[-1]=='.':return text[0].title()+text[1:]else:return text[0].title()+text[1:]+'.'3.First word--------------------------------------------- ----------------------------------------
When solving a task pay attention to the following points:
- There can be dots and commas in a string.
- A string can start with a letter or, for example, a dot or space.
- A word can contain an apostrophe and it's a part of a word.
- The whole text can be represented with one word and that's it.
Input: A string.
Output: A string.
Example:
first_word("Hello world") == "Hello"
first_word("greetings, friends") == "greetings"
import re
def first_word(text: str) -> str:"""returns the first word in a given text."""# your code herepat1 = "[a-zA-Z']+"result = re.search(pat1,text)result = str(result.group())return result
4.Second index--------------------------------------------- ----------------------------------------
Input: Two strings.
Output: Int or None
Example:
second_index("sims", "s") == 3
second_index("find the river", "e") == 12
second_index("hi", " ") is None
def second_index(text: str, symbol: str):"""returns the second index of a symbol in a given text"""# your code hereif text.count(symbol)<2:return Noneelse:return text.find(symbol,text.find(symbol)+1)5.Between Markers--------------------------------------------- ----------------------------------------
Input: Three arguments. All of them are strings. The second and third arguments are the initial and final markers.
Output: A string.
Example:
between_markers('What is >apple<', '>', '<') == 'apple'
between_markers('No[/b] hi', '[b]', '[/b]') == 'No'
def between_markers(text: str, begin: str, end: str) -> str: if begin in text:start = text.index(begin) + len(begin)else:start = 0if end in text:finish = text.index(end)else:finish = len(text)return (text[start:finish])6.Best stock------------------------------------------- ----------------------------------------
You are given the current stock prices. You have to find out which stocks cost more.
Input: The dictionary where the market identifier code is a key and the value is a stock price.
Output: A string and the market identifier code.
Example:
best_stock({
'CAC': 10.0,
'ATX': 390.2,
'WIG': 1.2