Sieve of Eratosthenes
0 likes • Nov 19, 2022
Python
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x[cat_var].isnull().sum().sort_values(ascending=False)
filename = "data.txt"with open(filename, "r") as file:file_contents = file.readlines()file_contents = [line.strip() for line in file_contents]print("File contents:")for line in file_contents:print(line)
def print_pyramid_pattern(n):# outer loop to handle number of rows# n in this casefor i in range(0, n):# inner loop to handle number of columns# values changing acc. to outer loopfor j in range(0, i+1):# printing starsprint("* ",end="")# ending line after each rowprint("\r")print_pyramid_pattern(10)
from colorama import init, Fore# Initialize coloramainit()print(Fore.RED + "This text is in red color.")print(Fore.GREEN + "This text is in green color.")print(Fore.BLUE + "This text is in blue color.")# Reset coloramaprint(Fore.RESET + "This text is back to the default color.")
# Listlst = [1, 2, 3, 'Alice', 'Alice']# One-Linerindices = [i for i in range(len(lst)) if lst[i]=='Alice']# Resultprint(indices)# [3, 4]
def generate_pascals_triangle(num_rows):triangle = []for row in range(num_rows):# Initialize the row with 1current_row = [1]# Calculate the values for the current rowif row > 0:previous_row = triangle[row - 1]for i in range(len(previous_row) - 1):current_row.append(previous_row[i] + previous_row[i + 1])# Append 1 at the end of the rowcurrent_row.append(1)# Add the current row to the triangletriangle.append(current_row)return triangledef display_pascals_triangle(triangle):for row in triangle:for number in row:print(number, end=" ")print()# Prompt the user for the number of rowsnum_rows = int(input("Enter the number of rows for Pascal's Triangle: "))# Generate Pascal's Trianglepascals_triangle = generate_pascals_triangle(num_rows)# Display Pascal's Triangledisplay_pascals_triangle(pascals_triangle)