python-tutorial/0003/type-conversion.py
2025-08-22 17:13:42 +08:00

42 lines
827 B
Python
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# 将浮点数转换为整数
num_float = 3.14
num_int = int(num_float)
print(num_int) # 输出3
# 将字符串转换为整数
num_str = "42"
num_int = int(num_str)
print(num_int) # 输出42
# 将整数转换为浮点数
num_int = 10
num_float = float(num_int)
print(num_float) # 输出10.0
# 将整数转换为字符串
num_int = 100
num_str = str(num_int)
print(num_str) # 输出:'100'
"""
基础:将浮点数 5.5 转换为整数。
"""
num_float = 5.5
num_int = int(5.5)
print(num_int)
"""
应用:将字符串 “3.14” 转换为浮点数。
"""
num_str = "3.14"
num_float = float(num_str)
print(num_float)
"""
挑战:将整数 100 转换为字符串,然后将该字符串与另一个字符串 “50” 相加。
"""
num_int = 100
num_str = str(num_int)
new_str = num_str + "50"
print(new_str)