Searching Strings in Python
Given a string:
txt = 'abcdef'
Check if this string starts with 'ac'.
Given a list:
lst = ['12', '13', '14', '15']
Check if its elements start with '1'.
Given a number:
num = 123456
Check if there is a six at the end.
Given a string:
txt = 'abcdef'
Find the index of the symbol 'c'.
Given a string:
txt = 'ab1cd1ef'
Find the index of the character '1', while searching from the third to the seventh character of the string.
Given a string:
txt = '123453637'
Find the index of the last match of the symbol '3'.
Given a string:
txt = '2025.12.31'
Find the index of the last match of the character '2'.
Given a number:
num = 24536589
Find out how many fives are in it.
Given a list:
lst = ['abc', 'cde', 'cbb', 'aeb']
Find out how many 'b' symbols are in each of its elements.
Given a string:
txt = 'http1://code.mu'
Write the code to get the following result:
txt = 'https://code.mu'
Given a string:
txt = 'a.bc.d.ef'
Replace all periods in it with spaces.