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find parity outliers

0 likes • Nov 19, 2022
Python
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clamp number

CodeCatch
0 likes • Nov 19, 2022
Python
def clamp_number(num, a, b):
return max(min(num, max(a, b)), min(a, b))
clamp_number(2, 3, 5) # 3
clamp_number(1, -1, -5) # -1

radians to degrees

CodeCatch
0 likes • Nov 19, 2022
Python
from math import pi
def rads_to_degrees(rad):
return (rad * 180.0) / pi
rads_to_degrees(pi / 2) # 90.0

Selection sort

CodeCatch
0 likes • Nov 19, 2022
Python
# Python program for implementation of Selection
# Sort
import sys
A = [64, 25, 12, 22, 11]
# Traverse through all array elements
for i in range(len(A)):
# Find the minimum element in remaining
# unsorted array
min_idx = i
for j in range(i+1, len(A)):
if A[min_idx] > A[j]:
min_idx = j
# Swap the found minimum element with
# the first element
A[i], A[min_idx] = A[min_idx], A[i]
# Driver code to test above
print ("Sorted array")
for i in range(len(A)):
print("%d" %A[i]),

Print "X" pattern

CodeCatch
0 likes • Nov 19, 2022
Python
def print_x_pattern(size):
i,j = 0,size - 1
while j >= 0 and i < size:
initial_spaces = ' '*min(i,j)
middle_spaces = ' '*(abs(i - j) - 1)
final_spaces = ' '*(size - 1 - max(i,j))
if j == i:
print(initial_spaces + '*' + final_spaces)
else:
print(initial_spaces + '*' + middle_spaces + '*' + final_spaces)
i += 1
j -= 1
print_x_pattern(7)

Return Letter Combinations

AustinLeath
0 likes • Nov 18, 2022
Python
# @return a list of strings, [s1, s2]
def letterCombinations(self, digits):
if '' == digits: return []
kvmaps = {
'2': 'abc',
'3': 'def',
'4': 'ghi',
'5': 'jkl',
'6': 'mno',
'7': 'pqrs',
'8': 'tuv',
'9': 'wxyz'
}
return reduce(lambda acc, digit: [x + y for x in acc for y in kvmaps[digit]], digits, [''])
import mysql.connector
mydb = mysql.connector.connect(
host="localhost",
user="yourusername",
password="yourpassword"
)
mycursor = mydb.cursor()
mycursor.execute("CREATE DATABASE mydatabase")