Python Basics

Python Variable

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myVar = "Hello"
my_var = "Hello World"

Python Comments

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# This is a comment
# This is a multi line comment

my_var = "Hello World" # this is inline comment

def foo():
"""
This is a function docstring
"""

Python Print Function

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Print("Hello World")

# Output : Hello World

my_num = 5
print("My Number is ", my_num)

# Output : My Number is 5

# Print with sep keyword
print("Sunday", "Monday", "Tuesday", sep=',')

# Output : Sunday, Monday, Tuesday

Python Input Function

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print("Enter your name")
your_name = input()
print("Hello, ", my_name)

# Output : 
# Enter your name
# Hello, your name

print("Hello, {}".format(my_name))

# Output : 
# Hello, your name

my_name = input("Enter your name")
print(f"Hello, {my_name}")

# Output : 
# Enter your name
# Hello, your name

Python Length

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# Length of a string
len("Welcome")

# Output :
# 7

# Length of a list
len([1,2,3])

# Output :
# 3

Python Conversion Function

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# Convert to string
str(5) 		#  '5'

# Convert to integer
int('10') 	# 10

# Convert to float
float(12) 	# 12.0

Python Math Operators

Operators Operation Example
** Exponent 2 ** 4 = 16
// Integer Division 22 // 8 = 2
(*) Multiplication 3 * 3 = 9
(/) Division 6 / 3 = 2.0
(%) Modulus / Reminder 9 % 2 = 1
(+) Addition 2 + 2 = 4
(-) Substraction 4 - 2 = 2