Forwarded from PROGRAMMING VIP
❤2
for A2 members #code_challenge Median of Two Sorted list: Given two sorted lists nums1 and nums2, find the median of the entire sorted array.
for A2 def sum_squares(n)
sum = 0
for i in range(1, n + 1):
sum = i * i
return sum , what are the errors of the above code and what is the purpose
sum = 0
for i in range(1, n + 1):
sum = i * i
return sum , what are the errors of the above code and what is the purpose
def add(a, b):
return a + b
x = 5 y = 3 result = add(x, y) print(result) What is the output of the code?
return a + b
x = 5 y = 3 result = add(x, y) print(result) What is the output of the code?
Anonymous Quiz
2%
5
12%
53
8%
35
78%
8
def reverse_string(str1):
if len(str1) == 0:
return str1 else: return reverse_string(str1[1:]) + str1[0] str1 = "Hello" print(reverse_string(str1)) Use code with caution. Learn more What is the output of the code?
if len(str1) == 0:
return str1 else: return reverse_string(str1[1:]) + str1[0] str1 = "Hello" print(reverse_string(str1)) Use code with caution. Learn more What is the output of the code?
Anonymous Quiz
20%
hello
38%
olleh
9%
ohlle
33%
elloh
Forwarded from Leetcode with dani
A variable in Python is a named location in memory that stores a value or data.
Picture yourself as a chef preparing a meal. To create a delicious dish, you need various ingredients, each with specific characteristics that contribute to the overall taste and texture. Similarly, in programming, data types are like the essential ingredients that allow you to store and manipulate information effectively.
Strings: The Fabric of Text
Imagine strings as the threads that weave together a piece of fabric. Strings are sequences of characters enclosed in either single or double quotes, representing textual data. They're like the words and phrases that form sentences and convey meaning.
Example 1: "Welcome to the world of programming!"
This string represents a welcoming message.
Example 2: 'Programming is like learning a new language.'
This string captures the analogy between programming and language acquisition.
Integers: Counting Numbers and Beyond
Integers are like the building blocks of numbers, representing whole numbers (positive or negative) without decimal points. They're like the bricks that construct a house of numerical values.
Example 1: 10
This integer represents the number ten.
Example 2: -5
This integer represents the negative five.
Example 3: 223
This integer represents the number two hundred twenty-three.
Floats: Representing Fractions and Accuracy
Floats are like the precision tools that handle decimal values. They represent numbers with a decimal point, allowing for fractions and precise measurements. They're like the magnifying glasses that enhance the details of numbers.
Example 1: 3.14
This float represents the mathematical constant pi, an irrational number with a never-ending decimal expansion.
Example 2: -12.5
This float represents a negative number with a decimal point.
Example 3: 0.0001
This float represents a very small number, expressing precise measurements.
Converting Data Types: Versatility in Action
Just like a chef can transform ingredients into different dishes, data types can be converted to suit different needs. This enables flexibility and efficiency in programming.
Converting Integers to Strings:
Use the str() function to convert an integer into a string.
Example:
num = 10
str_num = str(num)
print(str_num) # Output: 10
Converting Strings to Integers:
Use the int() function to convert a string representing a number into an integer.
Example:
str_num = "15"
int_num = int(str_num)
print(int_num) # Output: 15
Harnessing Data Types for Meaningful Applications
Strings are used for various text-related tasks, such as:
Displaying user-friendly messages
Processing and manipulating textual data
Storing and retrieving text-based information
Integers are employed for counting, assigning identifiers, and handling discrete values:
Counting the number of items in a list
Assigning unique identification numbers to objects
Representing numerical values in calculations
Floats are particularly useful for:
Representing measurements and scientific values
Performing calculations involving decimals
**Ensuring precision in numerical representations
Strings: The Fabric of Text
Imagine strings as the threads that weave together a piece of fabric. Strings are sequences of characters enclosed in either single or double quotes, representing textual data. They're like the words and phrases that form sentences and convey meaning.
Example 1: "Welcome to the world of programming!"
This string represents a welcoming message.
Example 2: 'Programming is like learning a new language.'
This string captures the analogy between programming and language acquisition.
Integers: Counting Numbers and Beyond
Integers are like the building blocks of numbers, representing whole numbers (positive or negative) without decimal points. They're like the bricks that construct a house of numerical values.
Example 1: 10
This integer represents the number ten.
Example 2: -5
This integer represents the negative five.
Example 3: 223
This integer represents the number two hundred twenty-three.
Floats: Representing Fractions and Accuracy
Floats are like the precision tools that handle decimal values. They represent numbers with a decimal point, allowing for fractions and precise measurements. They're like the magnifying glasses that enhance the details of numbers.
Example 1: 3.14
This float represents the mathematical constant pi, an irrational number with a never-ending decimal expansion.
Example 2: -12.5
This float represents a negative number with a decimal point.
Example 3: 0.0001
This float represents a very small number, expressing precise measurements.
Converting Data Types: Versatility in Action
Just like a chef can transform ingredients into different dishes, data types can be converted to suit different needs. This enables flexibility and efficiency in programming.
Converting Integers to Strings:
Use the str() function to convert an integer into a string.
Example:
num = 10
str_num = str(num)
print(str_num) # Output: 10
Converting Strings to Integers:
Use the int() function to convert a string representing a number into an integer.
Example:
str_num = "15"
int_num = int(str_num)
print(int_num) # Output: 15
Harnessing Data Types for Meaningful Applications
Strings are used for various text-related tasks, such as:
Displaying user-friendly messages
Processing and manipulating textual data
Storing and retrieving text-based information
Integers are employed for counting, assigning identifiers, and handling discrete values:
Counting the number of items in a list
Assigning unique identification numbers to objects
Representing numerical values in calculations
Floats are particularly useful for:
Representing measurements and scientific values
Performing calculations involving decimals
**Ensuring precision in numerical representations