Computer Science Engineering

replace(old, new)

returns copy of string with replacements

replace(old, new, count)

only replaces first count of occurrences

find(x)

returns index of first occurence

find(x, start)

begins at start index

find(x, start, end)

stops at end index

rfind(x)

searches in reverse

count(x)

return number of occurrences

isalnum()

returns True if all characters are letters or numbers 0-9

isdigit()

returns True is all characters are numbers 0-9

islower()

returns True if all characters are lowercased

isupper()

returns True if all characters are uppercase

isspace()

returns True if all characters are whitespace

startswith(x)

returns True if the string starts with x

endswith(x)

returns True if the string end with x

capitalize()

returns copy with first character capitalized and the rest lowercase

lower()

returns all lowercased copy

upper()

returns all uppercased copy

strip()

returns copy with all leading and trailing whitespace removed

title()

returns copy with first final letters of words capitalized

list.appendix(x)

adds items to the end of the list

list.insert(i,x)

inserts element (x) and the specified index (i)

list.remove(x)

removes first occurrences

list.pop(i)

removes item at the index and returns the value

list.sort()

sorts elements of a list in place

list.reverse()

reverses order of elements

list.index(x)

returns index of the first occurrence

list.count(x)

returns number of times x appears

sorted()

sorts existing list that’s inputted
*must be assigned to a variable —> my.lists = sorted(num_list)