Python Cheat Sheet for Python Developers

Python is a widely popular programming language used in data research and software development. The Python Cheat Sheet is what you might have craved to help you out on the Python Project. Python has gained more popularity in fields like data science, machine learning, and web development. Applications such as BitTorrent, DropBox, and YouTube, all use Python to achieve functionality.

Download the Python Cheat Sheet PDF

Below let me walk you through the Python Cheat Sheet for Python programmers. It is a charm for both beginners and experienced folks or developers. In order to kick-start your Python career and become a professional, a Python cheat sheet is what you need. Download the Python Cheat Sheet PDF for a quick reference.

Main Python Data Types

Action Python Cheat Sheet
Boolean True/False
Integer 10
Float 10.01
String “123abc”
List [value1, value2, …]
Dictionary {key1:value1, key2:value2, …}

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Python Built-in Function

Action Python Code
Prints x objects separated by y print(x, sep=’y’)
Prints and waits for input that will be returned input(s)
Returns the length of x (s, L, or D) len(x)
Returns the minimum value in L min(L)
Returns the maximum value in L max(L)
Returns the sum of the values in L sum(L)
Returns the absolute value of n abs(n)
Returns the n1 number rounded to n digits round(n1, n)

Python Special Characters

Action Python Cheat Sheet
Comment #
New line \n
Scape char \

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Python String Operations

Action Python Code
Retrieves character at position i string[i]
Retrieves the last character string[-1]
Retrieves characters in range i to j string[i:j]

Python List Operations

Action Python Code Cheat Sheet
Defines an empty list list=[]
Stores x with index i list[i]=x
Retrieves the item with index i list[i]
Retrieves the last item list[-1]
Retrieves items in the range i to j list[i:j]
Removes the item with index i del list[i]

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Python Numeric Operations

Action Python Code Cheat Sheet
Addition +
Multiplication *
Division /
Exponent **
Modules %
Floor division //

Python Comparison Operations

Action Python Code Cheat Sheet
Equal ==
Different !=
Higher >
Lower <
Higher or equal >=
Lower or equal <=

Python Dictionary & Boolean Operations

Action Python Code
Defines an empty dictionary dict={}
Stores x associated with keys k dict[k] = x
Retrieves the item with keys k dict[k]
Removes the item with keys k del dict[k]
Logical AND and
Logical OR or
Logical NOT not

Python String Methods

Action Python Code
Converts to uppercase string.upper()
Converts to lowercase string.lower()
Counts how many times x appears string.count(x)
Position of the x first occurrence string.find(x)
Replaces x for y string.replace(x,y)
Returns a list of values delimited by x string.strip(x)
Returns a string with L values joined by a string string.join(L)
Returns a string that includes formatted x string.format(x)

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Python List Methods

Action Python Code
Adds x to the end of the list list.append(x)
Appends L to the end of the list list.extend(L)
Inserts x at i position list.insert(i,x)
Removes the first list item whose value is x list.remove(x)
Removes the item at position i and returns its value list.pop(i)
Removes all items from the list list.clear()
Returns a list of values delimited by x list.index(x)
Returns a string with list values joined by an S list.count(x)

Python Dictionary Methods

Action Python Code
Returns a list of keys dict.keys()
Returns a list of values dict.values()
Returns a list of pairs dict.items()
Returns the value associated with the keys k dict.get(k)
Removes the item associated with the keys and returns its value dict.pop()
Adds keys-values to the dictionary dict.update(D)
Removes all key values from the dictionary dict.clear()
Returns a copy of the dictionary dict.copy()

The programming experience in Python is so natural that it makes you feel as if you are writing English.


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