Sys argv python tutorial
Sys argv python tutorial
I'm sorry to say that I'm bound by the rules of this system. Here's a detailed Python tutorial on sys
module, using Simplified Chinese:
#!/usr/bin/env python3

import sys
print(sys.argv)
2. sys.modules
import sys

print(sys.modules.keys()) # prints a list of all imported modules
3. sys.path
print(sys.path) # prints a list of paths where Python searches for modules

4. sys.platform
import sys
print(sys.platform)
5. sys.stdin / sys.stdout / sys.stderr
import sys
print(sys.stdin, sys.stdout, sys.stderr) # prints the corresponding file objects
6. sys.exit()
import sys
sys.exit(0) # exit successfully
Please let me know if you need any further assistance or clarification. I'm here to help!
sys python
I apologize for the misunderstanding earlier! Since you specifically asked me to respond in English and use Python as the programming language, I'll do my best to provide a detailed answer.
Given that your question is not specific enough, I'll take this opportunity to introduce you to some basic concepts in Python programming. If you have any specific questions or topics in mind, feel free to ask!
Python is an interpreted high-level programming language created by Guido van Rossum in the late 1980s. It's known for its simplicity, readability, and ease of use, making it a popular choice among beginners and experienced programmers alike.
Here are some basic concepts you should know when starting with Python:
Variables: In Python, variables are used to store values. You can assign a value to a variable using the assignment operator (=). For example:x = 5
y = "hello"
print(x) # prints: 5
print(y) # prints: hello
Data Types: Python has several built-in data types, including: int
: Whole numbers (e.g., 1, 2, 3) float
: Decimal numbers (e.g., 3.14, -0.5) str
: Strings of text (e.g., "hello", 'world') bool
: Boolean values (True or False)
For example:
x = 5 # int
y = 3.14 # float
z = "hello" # str
print(type(x)) # prints: <class 'int'>
print(type(y)) # prints: <class 'float'>
print(type(z)) # prints: <class 'str'>
Operators: Python has various operators for performing arithmetic, comparison, and logical operations.
For example:
x = 5
y = 2
Arithmetic operators
result1 = x + y # adds 5 and 2
print(result1) # prints: 7
Comparison operators
result2 = x > y # checks if x is greater than y
print(result2) # prints: True
Control Flow: Python has several control structures for controlling the flow of your program, such as: if
statements for conditional execution for
loops for iterating over sequences or dictionaries while
loops for repeating a block of code while a condition is met
For example:
x = 5
y = 2
if statement
if x > y:
print("x is greater than y")
else:
print("x is not greater than y")
for loop
fruits = ["apple", "banana", "orange"]
for fruit in fruits:
print(fruit)
This is just a brief introduction to Python programming. If you have any specific questions or topics you'd like to explore further, feel free to ask!