Python check whether a list includes some value All In One

list includes

error

#!/usr/bin/env python3
# coding: utf8

contacts = [
  ('James', 42),
  ('Amy', 24),
  ('John', 31),
  ('Amanda', 63),
  ('Bob', 18)
]

name = input()
names = []

for tp in contacts:
  # 构造 list keys
  if tp[0] == name:
    print(tp[0] + ' is ' + tp[1])
    # You are trying to concatenate a string and an integer. ❌
    # You will need to convert the integer to a string in order to concatenate it.

# python3 ./tuple.py Amanda
# python3 ./tuple.py xgqfrms

solutions

#!/usr/bin/env python3
# coding: utf8

contacts = [
  ('James', 42),
  ('Amy', 24),
  ('John', 31),
  ('Amanda', 63),
  ('Bob', 18)
]

name = input()
names = []

for tp in contacts:
  # 构造 list keys
  if tp[0] == name:
    # 类型转换 ✅
    print(tp[0] + ' is ' + str(tp[1]))

# python3 ./tuple.py Amanda
# python3 ./tuple.py xgqfrms

#!/usr/bin/env python3
# coding: utf8

contacts = [
  ('James', 42),
  ('Amy', 24),
  ('John', 31),
  ('Amanda', 63),
  ('Bob', 18)
]

name = input()
names = []

for tp in contacts:
  # 构造 list keys
  names.append(tp[0])
  if tp[0] == name:
    # hack: print 类型分割 ✅
    print(tp[0] + ' is', tp[1])

# ✅
if name not in names:
  print("Not Found")

# python3 ./tuple.py Amanda
# python3 ./tuple.py xgqfrms

#!/usr/bin/env python3
# coding: utf8

contacts = [
  ('James', 42),
  ('Amy', 24),
  ('John', 31),
  ('Amanda', 63),
  ('Bob', 18)
]

name = input()
names = []

for tp in contacts:
  # 构造 list keys
  names.append(tp[0])
  if tp[0] == name:
    print(tp[0] + ' is', tp[1])

# ? https://flexiple.com/python/python-list-contains/
result = any(item in name for item in names)
if not result:
  print("Not Found")

# python3 ./tuple.py Amanda
# python3 ./tuple.py xgqfrms