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Reverse a linked list

Nov 19, 2022CodeCatch
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More Python Posts

Connect to MYSQL and create a database

Nov 19, 2022CodeCatch

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import mysql.connector
mydb = mysql.connector.connect(
host="localhost",
user="yourusername",
password="yourpassword"
)
mycursor = mydb.cursor()
mycursor.execute("CREATE DATABASE mydatabase")

Append to a file

Jun 1, 2023CodeCatch

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filename = "data.txt"
data = "Hello, World!"
with open(filename, "a") as file:
file.write(data)

radians to degrees

Nov 19, 2022CodeCatch

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from math import pi
def rads_to_degrees(rad):
return (rad * 180.0) / pi
rads_to_degrees(pi / 2) # 90.0

delay time lambda

Nov 19, 2022CodeCatch

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from time import sleep
def delay(fn, ms, *args):
sleep(ms / 1000)
return fn(*args)
delay(lambda x: print(x), 1000, 'later') # prints 'later' after one second

Size of tuple

Nov 19, 2022CodeCatch

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import sys
# sample Tuples
Tuple1 = ("A", 1, "B", 2, "C", 3)
Tuple2 = ("Geek1", "Raju", "Geek2", "Nikhil", "Geek3", "Deepanshu")
Tuple3 = ((1, "Lion"), ( 2, "Tiger"), (3, "Fox"), (4, "Wolf"))
# print the sizes of sample Tuples
print("Size of Tuple1: " + str(sys.getsizeof(Tuple1)) + "bytes")
print("Size of Tuple2: " + str(sys.getsizeof(Tuple2)) + "bytes")
print("Size of Tuple3: " + str(sys.getsizeof(Tuple3)) + "bytes")

curry function

Nov 19, 2022CodeCatch

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from functools import partial
def curry(fn, *args):
return partial(fn, *args)
add = lambda x, y: x + y
add10 = curry(add, 10)
add10(20) # 30