Thread by @Pythonista92

Hey Reader, I hope you are having a good day and will have a great life from now on.

Realized that I messed up the thread for day 4 so gonna tweet that again.
👇

Day 4 of #100DaysOfCode

1) List Comprehension:
is a useful way to create lists when elements obey simple rule.
e.g cubes = [i**3 for i in range(10)]
With conditional
cubes = [i**3 for i in range(10) if i%2==0]

2) String Formatting:
Syntax: 'some string {0} {1} {2}'.format(value1,value2,value3)
e.g.
msg = "{0} is my friend,{0} is my best friend. His nickname is {1} {2}".format('Bob','Tony','-hehe')
format can have any data that needs to be printed out.

3)Useful functions for strings:
','.join(list_of_string)
'Hello World'.replace('Hello','Sup')
'this is test string'.startswith('this')
'this is my string'.endswith('string')
'some string'.upper()
'ANOTHER STRING'.lower()
'this is a string again'.split(' ')

Some other functions
min(list or tuple), returns minimum number
max(list or tuple), returns maximum number
abs(-3), returns 3
sum(list or tuple), returns sum of all elements
all(list or tuple), returns true if all elements evaluate to true

any(list or tuple), returns true if any element evaluates to true
enumerate(list or tuple or string, start=value). adds a counter to an iterable and returns it in a form of enumerating object.
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chr(interger), returns corresponding character to ASCII value
ord(character), returns corresponding ASCII value of character

Machine Learning:
Covered another section of Machine Learning Crash Course by Google
#100daysofcodechallenge #100DaysOfMLCode